Fair-condition bridges in Washington
3,704 of Washington's 8,520 bridges (43.5%) are rated fair.The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.Nationally, 49.6% of bridges carry this rating.
- Fair bridges
- 3,704
- 43.5% of state total
- Average age
- 62.4 yrs
- Posted with load limits
- 540
- Closed
- 8
Busiest fair-condition bridges
Top 300 by daily traffic · 34,625,530 total daily crossings| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| I-205 over SR 14 Bnrr No. 0010833A0000000 | Clark County | 0.2 N Oregon | 1982 | Box Beam or Girders - Multiple | 7,434 ft | 160,000 | Fair |
| N Queen Anne DR over Ravine No. 085330000000000 | King County | Queen Anne DR & 3rd Ave N | 1935 | Arch - Deck | 327 ft | 125,000 | Fair |
| I-5 over Terrain No. 0007816B0000000 | King County | 4.5 N JCT SR 900 | 1966 | Stringer/Multi-beam or Girder | 604 ft | 122,487 | Fair |
| SW Spokane ST over Duwamish River W Waterwy No. 085302000000000 | King County | 1200 SW Spokane ST | 1983 | Box Beam or Girders - Multiple | 1,340 ft | 108,179 | Fair |
| I-5 over Terrain No. 0007401B0000000 | King County | 4.5 N JCT SR 516 | 1966 | Stringer/Multi-beam or Girder | 515 ft | 106,282 | Fair |
| I-5 over Klickitat DR No. 0007401D0000000 | King County | 5.0 N JCT SR 516 | 1965 | Stringer/Multi-beam or Girder | 163 ft | 106,282 | Fair |
| I-5 over I-405 NB / SR 518 EB No. 0007401F0000000 | King County | 5.2 N JCT SR 516 | 1966 | Stringer/Multi-beam or Girder | 146 ft | 106,282 | Fair |
| I-5 over Portland Ave No. 0006792A0000000 | Pierce County | 1.1 N JCT SR 7 | 1962 | Stringer/Multi-beam or Girder | 216 ft | 105,864 | Fair |
| I-5 over Portland Ave No. 0006792B0000000 | Pierce County | 1.1 N JCT SR 7 | 1962 | Stringer/Multi-beam or Girder | 216 ft | 105,864 | Fair |
| I-5 over Galer-Lakeview V No. 0006303A0000000 | King County | 2.9 N JCT I-90 | 1961 | Stringer/Multi-beam or Girder | 1,671 ft | 104,978 | Fair |
| I-5 over S 259th Pl No. 0006186B0000000 | King County | 5.6 N JCT SR 18 | 1960 | Slab | 162 ft | 104,261 | Fair |
| I-5 over SR 516 No. 0006820A0000000 | King County | 7.2 N JCT SR 18 | 1962 | Stringer/Multi-beam or Girder | 269 ft | 104,261 | Fair |
| I-5 over SR 516 No. 0006820B0000000 | King County | 7.2 N JCT SR 18 | 1962 | Stringer/Multi-beam or Girder | 259 ft | 104,261 | Fair |
| I-5 over Norfolk ST Sewer No. 0007617A0000000 | King County | 1.0 N JCT SR 900 | 1966 | Stringer/Multi-beam or Girder | 65 ft | 103,312 | Fair |
| I-5 over Military RD Rose ST No. 0007617D0000000 | King County | 2.2 N JCT SR 900 | 1966 | Slab | 149 ft | 103,312 | Fair |
| I-5 Southbound over Terrain No. 0007990A0000000 | King County | 2.6 N JCT SR 900 | 1967 | Stringer/Multi-beam or Girder | 529 ft | 103,312 | Fair |
| I-5 over Orillia Rd/S 188th ST No. 0007090B0000000 | King County | 3.1 N JCT SR 516 | 1963 | Stringer/Multi-beam or Girder | 195 ft | 100,213 | Fair |
| SW Spokane ST over Delridge Way SW No. 085301000000000 | King County | 1200 SW Spokane ST | 1983 | Stringer/Multi-beam or Girder | 1,649 ft | 98,700 | Fair |
| I-5 over 212th ST SW No. 0007071F0000000 | Snohomish County | 2.2 N JCT SR 104 | 1963 | Stringer/Multi-beam or Girder | 278 ft | 98,485 | Fair |
| I-5 over 212th ST SW No. 0007071G0000000 | Snohomish County | 2.2 N JCT SR 104 | 1963 | Stringer/Multi-beam or Girder | 278 ft | 98,485 | Fair |
| I-5 over 52nd Ave W No. 0007227C0000000 | Snohomish County | 2.3 N JCT SR 104 | 1963 | Stringer/Multi-beam or Girder | 172 ft | 98,485 | Fair |
| I-5 over Military RD No. 0006124A0000000 | King County | 2.6 N JCT SR 18 | 1959 | Box Beam or Girders - Multiple | 199 ft | 98,173 | Fair |
| I-5 over Military RD No. 0006207A0000000 | King County | 4.4 N JCT SR 18 | 1960 | Stringer/Multi-beam or Girder | 243 ft | 98,173 | Fair |
| I-5 over Military RD No. 0006207B0000000 | King County | 4.4 N JCT SR 18 | 1960 | Stringer/Multi-beam or Girder | 243 ft | 98,173 | Fair |
| I-5 over S 288th ST No. 0006313B0000000 | King County | 3.8 N JCT SR 18 | 1961 | Stringer/Multi-beam or Girder | 157 ft | 98,173 | Fair |
| I-405 over Bn RR (abandoned) No. 0008812A0000000 | King County | 1.3 N JCT I-90 | 1972 | Stringer/Multi-beam or Girder | 320 ft | 97,875 | Fair |
| I-5 over N-W Ramp No. 0007734A0000000 | King County | 3.9 N JCT SR 900 | 1966 | Box Beam or Girders - Multiple | 469 ft | 96,847 | Fair |
| I-5 over Lucile ST No. 0007734C0000000 | King County | 3.9 N JCT SR 900 | 1966 | Slab | 190 ft | 96,847 | Fair |
| I-5 over Terrain No. 0007816A0000000 | King County | 4.5 N JCT SR 900 | 1966 | Stringer/Multi-beam or Girder | 901 ft | 96,847 | Fair |
| I-5 over Terrain No. 0007741A0000000 | King County | 5.2 N JCT SR 900 | 1966 | Slab | 746 ft | 96,609 | Fair |
| I-5 over Terrain No. 0007741B0000000 | King County | 5.2 N JCT SR 900 | 1967 | Slab | 746 ft | 96,609 | Fair |
| I-5 over Terrain No. 0007741C0000000 | King County | 5.6 N JCT SR 900 | 1966 | Slab | 872 ft | 96,609 | Fair |
| I-5 SB over Terrain No. 0007741D0000000 | King County | 5.6 N JCT SR 900 | 1967 | Slab | 6,584 ft | 96,609 | Fair |
| I-5 NB over Terrain No. 0007741E0000000 | King County | 5.8 N JCT SR 900 | 1966 | Slab | 5,762 ft | 96,609 | Fair |
| I-5 over Duwamish R RR City ST No. 0007171A0000000 | King County | 0.4 N JCT SR 599 | 1964 | Stringer/Multi-beam or Girder | 812 ft | 95,981 | Fair |
| I-5 over Duwamish R RR City ST No. 0007171B0000000 | King County | 0.4 N JCT SR 599 | 1964 | Stringer/Multi-beam or Girder | 812 ft | 95,981 | Fair |
| SW Spokane ST over Delridge Way SW No. 085300000000000 | King County | 1200 SW Spokane ST | 1983 | Stringer/Multi-beam or Girder | 1,521 ft | 93,180 | Fair |
| I-5 over NE 155th ST No. 0007270C0000000 | King County | 0.5 N JCT SR 523 | 1964 | Box Beam or Girders - Multiple | 147 ft | 92,642 | Fair |
| I-5 over NE 155th ST No. 0007270D0000000 | King County | 0.5 N JCT SR 523 | 1964 | Box Beam or Girders - Multiple | 147 ft | 92,642 | Fair |
| I-5 over Denny Way-Lakeview V No. 0006800A0000000 | King County | 2.9 N JCT I-90 | 1962 | Box Beam or Girders - Multiple | 7,077 ft | 92,513 | Fair |
| I-5 over S 336th ST No. 0006094B0000000 | King County | 0.8 N JCT SR 18 | 1959 | Box Beam or Girders - Multiple | 198 ft | 92,438 | Fair |
| I-5 over S 336th ST No. 0006094C0000000 | King County | 0.8 N JCT SR 18 | 1959 | Slab | 156 ft | 92,438 | Fair |
| I-405 over SR 167 No. 0007376A0000000 | King County | 1.3 N JCT SR 181 | 1964 | Stringer/Multi-beam or Girder | 188 ft | 91,705 | Fair |
| I-5 over Terrain No. 0006800B0000000 | King County | 2.4 N JCT I-90 | 1963 | Tee Beam | 381 ft | 91,632 | Fair |
| I-5 over Lake Wash Ship Canal No. 0006080A0000000 | King County | 0.7 N JCT SR 520 | 1962 | Truss - Deck | 4,429 ft | 90,986 | Fair |
| I-5 over SR 167 NB No. 0006821A0000000 | Pierce County | 1.2 N JCT SR 7 | 1962 | Stringer/Multi-beam or Girder | 121 ft | 90,829 | Fair |
| I-5 over Ravenna Blvd No. 0006286A0000000 | King County | 2.3 N JCT SR 520 | 1961 | Stringer/Multi-beam or Girder | 1,325 ft | 90,390 | Fair |
| I-5 over Ravenna Blvd No. 0006286B0000000 | King County | 2.3 N JCT SR 520 | 1961 | Stringer/Multi-beam or Girder | 1,372 ft | 90,390 | Fair |
| I-5 NB over Railroad No. 0008090A0000000 | Snohomish County | 3.8 N JCT SR 527 | 1967 | Stringer/Multi-beam or Girder | 968 ft | 90,360 | Fair |
| I-5 SB over Railroad No. 0008090B0000000 | Snohomish County | 3.8 N JCT SR 527 | 1967 | Stringer/Multi-beam or Girder | 884 ft | 90,360 | Fair |
| I-5 over Smith Ave No. 0008132G0000000 | Snohomish County | 3.7 N JCT SR 527 | 1967 | Stringer/Multi-beam or Girder | 110 ft | 90,360 | Fair |
| I-405 over SE 8th ST No. 0008812B0000000 | King County | 1.7 N JCT I-90 | 1971 | Stringer/Multi-beam or Girder | 189 ft | 89,237 | Fair |
| I-405 over SE 8th ST Oc No. 0009267A0000000 | King County | 1.7 N JCT I-90 | 1972 | Stringer/Multi-beam or Girder | 183 ft | 89,237 | Fair |
| I-5 over NE Northgate Way No. 0012197A0000000 | King County | 2.0 N JCT SR 522 | 1964 | Stringer/Multi-beam or Girder | 166 ft | 89,154 | Fair |
| I-5 over S96th ST No. 0005667A0000000 | Pierce County | 0.6 N JCT SR 512 | 1958 | Box Beam or Girders - Multiple | 87 ft | 88,784 | Fair |
| I-5 over Interurban Ave No. 0007618C0000000 | King County | 0.1 N JCT SR 599 | 1966 | Stringer/Multi-beam or Girder | 160 ft | 86,409 | Fair |
| I-5 over Interurban Ave No. 0007618D0000000 | King County | 0.1 N JCT SR 599 | 1966 | Stringer/Multi-beam or Girder | 149 ft | 86,409 | Fair |
| I-5 over SR 529 / Pacific Ave No. 0007888C0000000 | Snohomish County | 4.3 N JCT SR 527 | 1966 | Stringer/Multi-beam or Girder | 96 ft | 85,636 | Fair |
| I-5 over SR 529 - Pacific Ave No. 0007888D0000000 | Snohomish County | 4.3 N JCT SR 527 | 1966 | Stringer/Multi-beam or Girder | 96 ft | 85,636 | Fair |
| I-405 over Cedar River No. 0014052A0000000 | King County | 0.9 N JCT SR 515 | 1993 | Stringer/Multi-beam or Girder | 528 ft | 85,117 | Fair |
| I-5 over N-103rd Exp Ramp No. 0007156F0000000 | King County | 1.5 N JCT SR 522 | 1964 | Stringer/Multi-beam or Girder | 141 ft | 84,693 | Fair |
| I-5 over SR 524 SPUR/44th Ave W No. 0007118A0000000 | Snohomish County | 3.0 N JCT SR 104 | 1963 | Stringer/Multi-beam or Girder | 245 ft | 84,075 | Fair |
| I-5 over SR 524 SPUR/44th Ave W No. 0007118B0000000 | Snohomish County | 3.0 N JCT SR 104 | 1963 | Stringer/Multi-beam or Girder | 260 ft | 84,075 | Fair |
| I-405 over N-W Ramp No. 0007596B0000000 | King County | 3.6 N JCT I-90 | 1966 | Stringer/Multi-beam or Girder | 207 ft | 83,247 | Fair |
| I-5 over Abandoned RR No. 0008132F0000000 | Snohomish County | 3.6 N JCT SR 527 | 1967 | Stringer/Multi-beam or Girder | 271 ft | 78,048 | Fair |
| I-405 over Green River No. 0007249B0000000 | King County | 0.9 N JCT I-5 | 1964 | Box Beam or Girders - Multiple | 245 ft | 77,251 | Fair |
| I-405 over SR 181 No. 0007249D0000000 | King County | 1.0 N JCT I-5 | 1964 | Stringer/Multi-beam or Girder | 173 ft | 77,251 | Fair |
| I-405 over RR & City Streets No. 0007606A0000000 | King County | 0.2 N JCT SR 181 | 1965 | Stringer/Multi-beam or Girder | 765 ft | 77,251 | Fair |
| I-5 Hov over I-705 SR 7 Ramps RR No. 0007326A0000000 | Pierce County | 1.3 N JCT SR 16 | 1964 | Box Beam or Girders - Multiple | 817 ft | 74,394 | Fair |
| I-5 over I-705 SR 7 Ramps RR No. 0007326B0000000 | Pierce County | 1.3 N JCT SR 16 | 1964 | Box Beam or Girders - Multiple | 817 ft | 74,394 | Fair |
| I-405 over Coal Creek Parkway SE No. 0007623C0000000 | King County | 4.8 N JCT SR 900 | 1965 | Stringer/Multi-beam or Girder | 197 ft | 71,797 | Fair |
| I-405 over Coal Creek Parkway SE No. 0007623D0000000 | King County | 4.8 N JCT SR 900 | 1965 | Stringer/Multi-beam or Girder | 224 ft | 71,797 | Fair |
| SR 16 over Cedar ST No. 0009151A0000000 | Pierce County | 0.8 N JCT I-5 | 1972 | Tee Beam | 199 ft | 71,543 | Fair |
| I-5 over SB Viaduct Sta 2195 No. 0007110B0000000 | King County | 1.2 N JCT I-90 | 1964 | Box Beam or Girders - Multiple | 807 ft | 71,171 | Fair |
| I-5 over King-Jackson ST No. 0007504A0000000 | King County | 0.3 N JCT I-90 | 1965 | Box Beam or Girders - Multiple | 706 ft | 71,171 | Fair |
| I-5 over King-Jackson ST No. 0007504B0000000 | King County | 0.3 N JCT I-90 | 1965 | Box Beam or Girders - Multiple | 712 ft | 71,171 | Fair |
| I-5 over Dearborn ST No. 0007565F0000000 | King County | 0.1 N JCT I-90 | 1965 | Box Beam or Girders - Multiple | 219 ft | 71,171 | Fair |
| I-5 over SR 18 No. 0006078A0000000 | King County | 2.5 N Pierce CO | 1959 | Stringer/Multi-beam or Girder | 206 ft | 70,133 | Fair |
| I-5 over SR 18 No. 0006078B0000000 | King County | 2.5 N Pierce CO | 1959 | Stringer/Multi-beam or Girder | 213 ft | 70,133 | Fair |
| I-90 over Richards RD No. 0002577A0000000 | King County | 0.2 E JCT I-405 | 1940 | Tee Beam | 200 ft | 69,741 | Fair |
| I-5 over Owr N RR No. 0005285A0000000 | Thurston County | 1.0 N JCT US 101 | 1957 | Slab | 63 ft | 69,477 | Fair |
| I-5 over S 405 & N 525 Ramps No. 0011598C0000000 | Snohomish County | 1.1 N JCT SR 524 | 1980 | Stringer/Multi-beam or Girder | 275 ft | 69,203 | Fair |
| I-405 over NE 132nd ST No. 0008615E0000000 | King County | 6.1 N JCT SR 520 | 1970 | Stringer/Multi-beam or Girder | 180 ft | 69,115 | Fair |
| I-405 over NE 132nd ST No. 0008615F0000000 | King County | 6.1 N JCT SR 520 | 1970 | Stringer/Multi-beam or Girder | 168 ft | 69,115 | Fair |
| EB I-90 over Lake Washington No. 000000KO0000000 | King County | 2.3 E JCT I-5 | 1940 | Arch - Thru | 1,064 ft | 68,544 | Fair |
| WB I-90 over Lake Washington No. 0012833B0000000 | King County | 2.3 E JCT I-5 | 1989 | Box Beam or Girders - Single or Spread | 1,369 ft | 68,544 | Fair |
| W.B. I-90 over Lake Washington No. 0012833C0000000 | King County | 3.0 E JCT I-5 | 1989 | Box Beam or Girders - Multiple | 1,472 ft | 68,544 | Fair |
| I-5 over Quilceda Creek No. 0008753B0000000 | Snohomish County | 0.9 N JCT SR 528 | 1971 | Slab | 712 ft | 68,535 | Fair |
| I-405 over Sunset Blvd (old SR 900) No. 0006912B0000000 | King County | 0.5 N JCT SR 169 | 1963 | Stringer/Multi-beam or Girder | 290 ft | 68,154 | Fair |
| I-5 over Clover Creek No. 0005523B0000000 | Pierce County | 10.9 N Thurston CO | 1957 | Slab | 69 ft | 67,232 | Fair |
| I-405 over Bnrr & 115 Ave NE No. 0004609B0000000 | King County | 0.2 N JCT SR 520 | 1954 | Tee Beam | 203 ft | 67,108 | Fair |
| I-90 over East Channel-Lk Wash No. 0011490A0000000 | King County | 5.9 E JCT I-5 | 1981 | Box Beam or Girders - Single or Spread | 2,224 ft | 66,975 | Fair |
| I-90 over East Channel-Lk Wash No. 0012912A0000000 | King County | 5.9 E JCT I-5 | 1988 | Box Beam or Girders - Multiple | 2,224 ft | 66,975 | Fair |
| SR 167 over Green River No. 0008114A0000000 | King County | 4.7 N JCT SR 18 | 1967 | Stringer/Multi-beam or Girder | 241 ft | 66,935 | Fair |
| SR 167 over Green River No. 0008114B0000000 | King County | 4.7 N JCT SR 18 | 1967 | Stringer/Multi-beam or Girder | 241 ft | 66,935 | Fair |
| I-5 Sbcd over King Jackson ST No. 0007504D0000000 | King County | 0.3 N JCT I-90 | 1965 | Box Beam or Girders - Multiple | 709 ft | 66,222 | Fair |
| I-405 over SR 900 / N Park DR No. 0007828A0000000 | King County | JCT SR 900 | 1966 | Stringer/Multi-beam or Girder | 215 ft | 65,721 | Fair |
| I-405 over SR 900 / N Park DR No. 0007828B0000000 | King County | JCT SR 900 | 1966 | Stringer/Multi-beam or Girder | 215 ft | 65,721 | Fair |
| SR 500 over NE Gher RD & NE 112 Ave No. 0016625A0000000 | Clark County | 0.6 E JCT I-205 | 2004 | Stringer/Multi-beam or Girder | 253 ft | 65,414 | Fair |
| I-5 over Columbia River No. 000000PR0000000 | Clark County | Oregon Line | 1916 | Movable - Lift | 3,538 ft | 65,013 | Fair |
| I-5 over Columbia River No. 0005216A0000000 | Clark County | Oregon Line | 1958 | Movable - Lift | 3,538 ft | 65,013 | Fair |
| I-5 over Ebey Sl / SR 529 / RR No. 0004196A0000000 | Snohomish County | 4.7 N JCT US 2 | 1954 | Stringer/Multi-beam or Girder | 1,920 ft | 64,989 | Fair |
| I-5 over Union Slough No. 0008226B0000000 | Snohomish County | 3.3 N JCT US 2 | 1968 | Stringer/Multi-beam or Girder | 396 ft | 64,989 | Fair |
| I-5 over Union Slough No. 0008226C0000000 | Snohomish County | 3.3 N JCT US 2 | 1968 | Stringer/Multi-beam or Girder | 396 ft | 64,989 | Fair |
| I-5 over Steamboat Slough No. 0008226D0000000 | Snohomish County | 4.1 N JCT US 2 | 1968 | Stringer/Multi-beam or Girder | 1,026 ft | 64,989 | Fair |
| I-5 over Steamboat Slough No. 0008226E0000000 | Snohomish County | 4.1 N JCT US 2 | 1968 | Stringer/Multi-beam or Girder | 1,026 ft | 64,989 | Fair |
| I-5 over Snohomish River RR No. 0008256A0000000 | Snohomish County | 1.0 N JCT US 2 | 1968 | Stringer/Multi-beam or Girder | 1,623 ft | 64,989 | Fair |
| I-5 over Snohomish R Gn RY No. 0008256B0000000 | Snohomish County | 1.0 N JCT US 2 | 1968 | Girder and Floorbeam System | 1,623 ft | 64,989 | Fair |
| I-5 over SR 529 NB Ramp No. 0008372A0000000 | Snohomish County | 4.4 N JCT US 2 | 1968 | Stringer/Multi-beam or Girder | 245 ft | 64,989 | Fair |
| I-5 over SR 529 NB Ramp No. 0008372B0000000 | Snohomish County | 4.4 N JCT US 2 | 1968 | Stringer/Multi-beam or Girder | 229 ft | 64,989 | Fair |
| I-5 over SR529 RR Ebey Sl 60th Pl No. 0008400A0000000 | Snohomish County | 4.6 N JCT US 2 | 1969 | Stringer/Multi-beam or Girder | 2,062 ft | 64,989 | Fair |
| I-5 over Pendleton Ave No. 0005394B0000000 | Pierce County | 4.4 N Thurston CO | 1957 | Slab | 39 ft | 64,714 | Fair |
| I-405 over SR 169 No. 0014052F0000000 | King County | 1.2 N JCT SR 515 | 1994 | Stringer/Multi-beam or Girder | 120 ft | 64,434 | Fair |
| I-405 over NE 3rd ST No. 0014052G0000000 | King County | 0.2 N JCT SR 169 | 1993 | Stringer/Multi-beam or Girder | 111 ft | 64,434 | Fair |
| I-5 over Railroad - Laundry Spur No. 0005284A0000000 | Pierce County | 3.7 N Thurston CO | 1957 | Box Beam or Girders - Multiple | 195 ft | 63,535 | Fair |
| I-5 over Nisqually Overflow No. 0008134A0000000 | Pierce County | 0.6 N Thurston CO | 1968 | Stringer/Multi-beam or Girder | 400 ft | 62,815 | Fair |
| I-5 over Nisqually Overflow No. 0012137B0000000 | Pierce County | 0.6 N Thurston CO | 1983 | Stringer/Multi-beam or Girder | 400 ft | 62,815 | Fair |
| I-5 over Nisqually River No. 0002069A0000000 | Thurston County | 2.9 N JCT SR 510 | 1937 | Truss - Thru | 447 ft | 62,815 | Fair |
| I-5 over Nisqually River No. 0008116A0000000 | Thurston County | 2.9 N JCT SR 510 | 1967 | Truss - Thru | 431 ft | 62,815 | Fair |
| I-5 over SR 528 4th ST No. 0004178A0000000 | Snohomish County | 5.3 N JCT US 2 | 1952 | Tee Beam | 124 ft | 62,168 | Fair |
| I-5 over W-S W-W S-E Ramps No. 0008085C0000000 | Snohomish County | 1.3 N JCT SR 529 | 1967 | Box Beam or Girders - Multiple | 252 ft | 62,161 | Fair |
| I-90 over S Havana ST No. 0005453E0000000 | Spokane County | 3.0 E JCT US 2 | 1957 | Slab | 66 ft | 62,117 | Fair |
| SR 167 over James ST No. 0008114G0000000 | King County | 0.6 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 191 ft | 61,426 | Fair |
| SR 167 over Np RY No. 0008175E0000000 | King County | 1.4 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 314 ft | 61,426 | Fair |
| SR 167 over Np RY No. 0008175F0000000 | King County | 1.4 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 314 ft | 61,426 | Fair |
| SR 99 over Lake Union No. 0001447A0000000 | King County | 7.7 N JCT SR 509 | 1931 | Truss - Deck | 2,955 ft | 61,259 | Fair |
| SR 99 over N 38th ST No. 0001589A0000000 | King County | 8.3 N JCT SR 509 | 1932 | Tee Beam | 93 ft | 61,259 | Fair |
| I-405 over Damson RD No. 0008417D0000000 | Snohomish County | 2.2 N JCT SR 527 | 1968 | Stringer/Multi-beam or Girder | 187 ft | 61,143 | Fair |
| I-405 over SR 524 (filbert Rd) No. 0011598A0000000 | Snohomish County | 2.9 N JCT SR 527 | 1968 | Box Beam or Girders - Multiple | 341 ft | 61,143 | Fair |
| I-5 over 41st Division DR No. 0004495A0000000 | Pierce County | 6.1 N Thurston CO | 1954 | Tee Beam | 157 ft | 60,729 | Fair |
| I-5 over 41st Division Drive No. 0008580A0000000 | Pierce County | 6.1 N Thurston CO | 1969 | Stringer/Multi-beam or Girder | 165 ft | 60,729 | Fair |
| 15th Ave NW over NW Leary Way No. 085175000000000 | King County | 15th Ave NW & NW Leary Wy | 1958 | Stringer/Multi-beam or Girder | 349 ft | 60,000 | Fair |
| 15th Ave W over Ship Canal No. 085179000000000 | King County | 4300 15th Ave W | 1917 | Movable - Bascule | 295 ft | 60,000 | Fair |
| I-205 over Burton RD No. 0009448D0000000 | Clark County | 2.8 N JCT SR 14 | 1974 | Stringer/Multi-beam or Girder | 171 ft | 59,900 | Fair |
| I-205 over Burton RD No. 0009448E0000000 | Clark County | 2.8 N JCT SR 14 | 1974 | Stringer/Multi-beam or Girder | 171 ft | 59,900 | Fair |
| I-5 over Pacific Ave No. 0005455A0000000 | Thurston County | 3.4 N JCT US 101 | 1957 | Box Beam or Girders - Multiple | 351 ft | 59,814 | Fair |
| I-5 NB over James Cherry Revers No. 0007110A0000000 | King County | 1.2 N JCT I-90 | 1964 | Box Beam or Girders - Multiple | 4,724 ft | 59,630 | Fair |
| SR 16 over Tyler ST - Snake Lake No. 0009415B0000000 | Pierce County | 1.6 N JCT I-5 | 1972 | Stringer/Multi-beam or Girder | 512 ft | 59,613 | Fair |
| I-5 Ncd over S M ST No. 0016958A0000000 | Pierce County | 0.5 N JCT SR 16 | 2006 | Stringer/Multi-beam or Girder | 232 ft | 58,308 | Fair |
| I-90 over Rainier Ave No. 0013190A0000000 | King County | 0.6 E JCT I-5 | 1988 | Box Beam or Girders - Multiple | 307 ft | 56,847 | Fair |
| I-405 over SR 522 Sammamish R No. 0008382A0000000 | King County | 8.7 N JCT SR 520 | 1968 | Box Beam or Girders - Multiple | 1,352 ft | 56,311 | Fair |
| I-405 over SR 522 Sammamish R No. 0008382B0000000 | King County | 8.7 N JCT SR 520 | 1968 | Box Beam or Girders - Multiple | 1,410 ft | 56,311 | Fair |
| I-90 over W Lake Sammamish Pkwy No. 0009133A0000000 | King County | 3.7 E JCT I-405 | 1972 | Stringer/Multi-beam or Girder | 360 ft | 56,289 | Fair |
| I-90 over W Lake Sammamish Pkwy No. 0009133B0000000 | King County | 3.7 E JCT I-405 | 1972 | Stringer/Multi-beam or Girder | 342 ft | 56,289 | Fair |
| I-5 over NE 179th ST No. 0006510A0000000 | Clark County | 2.0 N JCT I-205 | 1961 | Slab | 124 ft | 56,125 | Fair |
| I-5 over NE 179th ST No. 0008055A0000000 | Clark County | 2.0 N JCT I-205 | 1966 | Slab | 124 ft | 56,125 | Fair |
| SR 167 over SR 516 No. 0008114C0000000 | King County | 5.3 N JCT SR 18 | 1967 | Stringer/Multi-beam or Girder | 190 ft | 55,901 | Fair |
| SR 167 over SR 516 No. 0008114D0000000 | King County | 5.3 N JCT SR 18 | 1967 | Stringer/Multi-beam or Girder | 190 ft | 55,901 | Fair |
| SR 167 over Meeker ST No. 0008114E0000000 | King County | 0.2 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 158 ft | 55,901 | Fair |
| SR 167 over Meeker ST No. 0008114F0000000 | King County | 0.2 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 158 ft | 55,901 | Fair |
| SR 513 over Montlake Cut No. 000000HH0000000 | King County | 0.2 N JCT SR 520 | 1924 | Movable - Bascule | 344 ft | 55,497 | Fair |
| Fauntleroy Way over Admiral Way Avalon Way No. 085192000000000 | King County | Fauntleroy Way & 35th Ave | 1963 | Stringer/Multi-beam or Girder | 3,123 ft | 55,000 | Fair |
| SR 167 over 84th Ave South No. 0008114I0000000 | King County | 1.7 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 229 ft | 53,546 | Fair |
| SR 527 over I-405 No. 0008286B0000000 | Snohomish County | JCT I-405 | 1968 | Stringer/Multi-beam or Girder | 341 ft | 53,140 | Fair |
| I-5 over Mcloughlin Blvd No. 0011193G0000000 | Clark County | 0.9 N JCT SR 14 | 1981 | Box Beam or Girders - Multiple | 158 ft | 52,908 | Fair |
| SR 18 over Peasley Canyon RD No. 0005433A0000000 | King County | 1.9 E JCT I-5 | 1958 | Box Beam or Girders - Multiple | 364 ft | 52,049 | Fair |
| 15th Ave W over Shilshole Ave NW No. 085177000000000 | King County | 4300 15th Ave W | 1940 | Tee Beam | 589 ft | 52,000 | Fair |
| 15th Ave W over Ship Canal RR No. 085178000000000 | King County | 4300 15th Ave W | 1940 | Girder and Floorbeam System | 1,998 ft | 52,000 | Fair |
| I-90 over Sprague Ave No. 0015438A0000000 | Spokane County | 4.3 E JCT US 2 | 2000 | Stringer/Multi-beam or Girder | 220 ft | 51,385 | Fair |
| I-90 over City Streets No. 0007841A0000000 | Spokane County | 0.8 E JCT US 195 | 1967 | Box Beam or Girders - Multiple | 2,890 ft | 51,197 | Fair |
| I-90 over Viaduct Sta 1396 US 2 No. 0007954A0000000 | Spokane County | 1.3 E JCT US 195 | 1967 | Box Beam or Girders - Multiple | 2,765 ft | 51,197 | Fair |
| I-90 over 3rd Av & W-E Ramp No. 0008774A0000000 | Spokane County | 0.8 E JCT US 2 | 1970 | Box Beam or Girders - Multiple | 671 ft | 51,158 | Fair |
| I-5 over Mcallister CR No. 0008100E0000000 | Thurston County | 2.2 N JCT SR 510 | 1968 | Stringer/Multi-beam or Girder | 272 ft | 50,433 | Fair |
| I-5 over Mcallister Creek No. 0008100F0000000 | Thurston County | 2.2 N JCT SR 510 | 1968 | Stringer/Multi-beam or Girder | 272 ft | 50,433 | Fair |
| I-5 over Nisqually Overflow No. 0008100J0000000 | Thurston County | 2.7 N JCT SR 510 | 1968 | Stringer/Multi-beam or Girder | 200 ft | 50,433 | Fair |
| I-5 over Nisqually Overflow-South No. 0012137A0000000 | Thurston County | 2.7 N JCT SR 510 | 1982 | Stringer/Multi-beam or Girder | 200 ft | 50,433 | Fair |
| S 320th ST over I-5 No. 0006262A0000000 | King County | 1.8 N JCT SR 18 | 1960 | Stringer/Multi-beam or Girder | 332 ft | 49,879 | Fair |
| I-5 over Martin Way No. 0008100A0000000 | Thurston County | 5.0 N JCT US 101 | 1967 | Stringer/Multi-beam or Girder | 276 ft | 49,562 | Fair |
| I-5 over Martin Way No. 0008100B0000000 | Thurston County | 5.0 N JCT US 101 | 1967 | Stringer/Multi-beam or Girder | 282 ft | 49,562 | Fair |
| I-5 over Sbcd Viaduct Sta 2195 No. 0007110G0000000 | King County | 0.8 N JCT I-90 | 1964 | Box Beam or Girders - Multiple | 806 ft | 49,417 | Fair |
| I-5 over Deschutes Parkway No. 0005129A0000000 | Thurston County | 5.0 N JCT SR 121 | 1956 | Box Beam or Girders - Multiple | 118 ft | 49,410 | Fair |
| SR 167 over Ellingson Road No. 0010513B0000000 | King County | 1.1 N Pierce CO | 1977 | Stringer/Multi-beam or Girder | 163 ft | 48,865 | Fair |
| SR 167 over First Ave N No. 0010513C0000000 | King County | 1.5 N Pierce CO | 1977 | Stringer/Multi-beam or Girder | 146 ft | 48,865 | Fair |
| I-405 over I-90 Factoria No. 0008190F0000000 | King County | 5.7 N JCT SR 900 | 1969 | Box Beam or Girders - Multiple | 602 ft | 48,783 | Fair |
| SR 99 over Duwamish River No. 0004872A0000000 | King County | 0.1 N JCT SR 509 | 1956 | Movable - Bascule | 3,010 ft | 48,204 | Fair |
| I-5 over Portage Creek No. 0005440A0000000 | Snohomish County | 1.9 N JCT SR 531 | 1957 | Slab | 121 ft | 47,995 | Fair |
| SR 167 over West Valley HWY No. 0009118A0000000 | Pierce County | 0.5 N JCT SR 410 | 1972 | Stringer/Multi-beam or Girder | 290 ft | 47,924 | Fair |
| 148th Ave over SR 520 No. 0011764A0000000 | King County | 2.3 E JCT I-405 | 1981 | Box Beam or Girders - Multiple | 325 ft | 46,948 | Fair |
| I-405 over 228th ST No. 0008375D0000000 | Snohomish County | 1.3 N King CO | 1968 | Stringer/Multi-beam or Girder | 273 ft | 46,512 | Fair |
| I-90 over Hangman Creek No. 0006579A0000000 | Spokane County | 0.4 E JCT US 195 | 1963 | Box Beam or Girders - Multiple | 1,222 ft | 46,335 | Fair |
| I-90 over Hangman Creek No. 0006579B0000000 | Spokane County | 0.4 E JCT US 195 | 1963 | Box Beam or Girders - Multiple | 1,222 ft | 46,335 | Fair |
| SR 99 over Duwamish River No. 0014459A0000000 | King County | 0.1 N JCT SR 509 | 1996 | Movable - Bascule | 2,895 ft | 46,303 | Fair |
| I-5 over Stillaguamish River No. 0001652A0000000 | Snohomish County | 0.7 N JCT SR 530 | 1933 | Truss - Thru | 859 ft | 45,626 | Fair |
| I-5 over Stillaguamish R No. 0008791A0000000 | Snohomish County | 0.7 N JCT SR 530 | 1971 | Stringer/Multi-beam or Girder | 661 ft | 45,626 | Fair |
| Mill Plain Blvd over I-205 No. 0009737B0000000 | Clark County | 1.3 N JCT SR 14 | 1975 | Box Beam or Girders - Multiple | 339 ft | 45,586 | Fair |
| SR 520 over 116th Ave NE No. 0007839C0000000 | King County | 0.1 E JCT I-405 | 1966 | Stringer/Multi-beam or Girder | 155 ft | 45,466 | Fair |
| SR 520 over 116th Ave NE No. 0008591A0000000 | King County | 0.1 E JCT I-405 | 1966 | Stringer/Multi-beam or Girder | 165 ft | 45,466 | Fair |
| SR 520 over Pedestrian Trail No. 0008591B0000000 | King County | 0.2 E JCT I-405 | 1969 | Stringer/Multi-beam or Girder | 208 ft | 45,466 | Fair |
| SR 520 over 130th Ave NE No. 0008744B0000000 | King County | 1.0 E JCT I-405 | 1970 | Stringer/Multi-beam or Girder | 210 ft | 45,466 | Fair |
| SR 520 over 120th Ave NE No. 0009086B0000000 | King County | 0.3 E JCT I-405 | 1971 | Box Beam or Girders - Multiple | 392 ft | 45,466 | Fair |
| SR 520 over 124 Ave NE - NW Ramp No. 0009086C0000000 | King County | 0.6 E JCT I-405 | 1971 | Stringer/Multi-beam or Girder | 255 ft | 45,466 | Fair |
| SR 520 over 140th Ave NE No. 0009259B0000000 | King County | 1.6 E JCT I-405 | 1972 | Stringer/Multi-beam or Girder | 199 ft | 45,466 | Fair |
| SR 520 over NE 24th ST No. 0014849B0000000 | King County | 1.9 E JCT I-405 | 1998 | Stringer/Multi-beam or Girder | 330 ft | 45,466 | Fair |
| SB Airport Expy over S 170th ST No. 085812000000000 | King County | 1 MI S of SR 518 | 1972 | Box Beam or Girders - Multiple | 148 ft | 45,000 | Fair |
| NB SR 16 over Tacoma Narrows No. 0003418A0000000 | Pierce County | 5.1 N JCT I-5 | 1949 | Suspension | 5,978 ft | 44,741 | Fair |
| 164th ST SW over I-5 No. 0011561A0000000 | Snohomish County | 1.3 N JCT I-405 | 1963 | Stringer/Multi-beam or Girder | 323 ft | 44,483 | Fair |
| N.W.Sammamish Road over Issaquah Creek No. 086297000000000 | King County | 0.2 MI W of E Lk Samm Pkw | 1996 | Stringer/Multi-beam or Girder | 150 ft | 44,000 | Fair |
| SR 96(128th ST Sw) over I-5 No. 0013058A0000000 | Snohomish County | JCT I-5 | 1987 | Stringer/Multi-beam or Girder | 344 ft | 43,898 | Fair |
| SR 512 over Puyallup R & City Sts No. 0009004A0000000 | Pierce County | 2.2 E JCT SR 161 | 1971 | Stringer/Multi-beam or Girder | 1,558 ft | 43,523 | Fair |
| SR 512 over Puyallup R & City Sts No. 0009685A0000000 | Pierce County | 2.2 E JCT SR 161 | 1975 | Stringer/Multi-beam or Girder | 1,555 ft | 43,523 | Fair |
| S 180th ST over SR 167 No. 0007085B0000000 | King County | 4.8 N JCT SR 516 | 1964 | Stringer/Multi-beam or Girder | 240 ft | 43,450 | Fair |
| SR 520 over Wls Pkwy & Sammamish R No. 0010201A0000000 | King County | 4.9 E JCT I-405 | 1976 | Box Beam or Girders - Multiple | 387 ft | 42,985 | Fair |
| SR 512 EB over Golden Given RD No. 0007769A0000000 | Pierce County | 0.9 E JCT SR 7 | 1966 | Stringer/Multi-beam or Girder | 154 ft | 42,359 | Fair |
| SR 512 WB over Golden Given RD E No. 0007769B0000000 | Pierce County | 0.9 E JCT SR 7 | 1966 | Stringer/Multi-beam or Girder | 154 ft | 42,359 | Fair |
| S Spokane ST over E Marginal Wy 1st 4th No. 085262000000000 | King County | S Spokane ST & E Marginal | 1941 | Stringer/Multi-beam or Girder | 3,410 ft | 42,350 | Fair |
| I-5 over E Fork Lewis River No. 0008264B0000000 | Clark County | 4.1 N JCT SR 501 | 1969 | Stringer/Multi-beam or Girder | 881 ft | 41,939 | Fair |
| I-5 over Lewis River No. 0008264C0000000 | Clark County | 5.8 N JCT SR 501 | 1968 | Truss - Thru | 1,076 ft | 41,939 | Fair |
| SR 18 over Npry & City Streets No. 0005082A0000000 | King County | 1.0 E JCT SR 167 | 1956 | Box Beam or Girders - Multiple | 1,151 ft | 41,223 | Fair |
| SR 16 over Rosedale ST No. 0003639A0000000 | Pierce County | 3.6 N JCT SR 16 Ar | 1949 | Tee Beam | 163 ft | 41,194 | Fair |
| SR 900 over I-90 No. 0008573H0000000 | King County | 9.6 E JCT I-405 | 1970 | Stringer/Multi-beam or Girder | 241 ft | 40,805 | Fair |
| SR 518 over SR 509 No. 0008745E0000000 | King County | JCT SR 509 | 1971 | Stringer/Multi-beam or Girder | 241 ft | 40,718 | Fair |
| US 2 over Snohomish River No. 0008266B0000000 | Snohomish County | 0.2 E JCT I-5 | 1968 | Stringer/Multi-beam or Girder | 2,980 ft | 40,591 | Fair |
| US 2 over Ebey Island No. 0008378E0000000 | Snohomish County | 0.8 E JCT I-5 | 1968 | Stringer/Multi-beam or Girder | 6,923 ft | 40,591 | Fair |
| US 2 over Snohomish R Highland Ave No. 0015511A0000000 | Snohomish County | 0.2 E JCT I-5 | 2001 | Stringer/Multi-beam or Girder | 2,369 ft | 40,591 | Fair |
| I-5 over Orchard Dr/Squalicum CR No. 0005666A0000000 | Whatcom County | 0.6 N JCT SR 542 | 1958 | Slab | 291 ft | 39,925 | Fair |
| I-5 over Orchard Dr/Squalicum CR No. 0005666B0000000 | Whatcom County | 0.6 N JCT SR 542 | 1958 | Slab | 291 ft | 39,925 | Fair |
| I-5 over Exp Galer-Lakeview V No. 0006303D0000000 | King County | 2.9 N JCT I-90 | 1961 | Stringer/Multi-beam or Girder | 1,908 ft | 39,824 | Fair |
| Maple Street over Spokane River No. 0005258A0000000 | Spokane County | 0.4 N SR 90 | 1958 | Girder and Floorbeam System | 1,719 ft | 39,775 | Fair |
| US 2 over Ebey Slough and SR 204 No. 0007651B0000000 | Snohomish County | 2.1 E JCT I-5 | 1968 | Box Beam or Girders - Multiple | 2,081 ft | 39,593 | Fair |
| US 2 over Ebey Slough No. 0013995A0000000 | Snohomish County | 1.0 E JCT I-5 | 1993 | Stringer/Multi-beam or Girder | 6,795 ft | 39,593 | Fair |
| NE 124th ST over I-405 No. 0008615D0000000 | King County | 5.5 N JCT SR 520 | 1969 | Box Beam or Girders - Multiple | 442 ft | 39,499 | Fair |
| SR 527 over I-5 No. 0013048A0000000 | Snohomish County | JCT I-5 & SR 526 | 1987 | Stringer/Multi-beam or Girder | 415 ft | 39,282 | Fair |
| I-5 over Skagit River No. 0004794A0000000 | Skagit County | 0.7 N JCT SR 538 | 1955 | Truss - Thru | 1,112 ft | 39,245 | Fair |
| I-5 over Meador Ave No. 0005463A0000000 | Whatcom County | 2.8 N JCT SR 11 | 1957 | Box Beam or Girders - Multiple | 280 ft | 38,169 | Fair |
| I-5 over Meador Ave No. 0005463B0000000 | Whatcom County | 2.8 N JCT SR 11 | 1957 | Box Beam or Girders - Multiple | 226 ft | 38,169 | Fair |
| I-5 over Salzer Creek No. 0003936A0000000 | Lewis County | 2.2 N JCT SR 6 | 1951 | Slab | 140 ft | 38,131 | Fair |
| SR 16 over SR 163/PEARL ST No. 0012245A0000000 | Pierce County | JCT SR 163 | 1983 | Box Beam or Girders - Multiple | 257 ft | 37,910 | Fair |
| I-5 P1 15559 Ramp over I-5 Hov Lane No. 0007618B0000000 | King County | 1.5 N JCT I-405 | 1966 | Box Beam or Girders - Multiple | 532 ft | 37,896 | Fair |
| US 101 over Percival CR & Bnrr No. 0014272A0000000 | Thurston County | 4.5 S JCT SR 8 | 1995 | Stringer/Multi-beam or Girder | 314 ft | 37,858 | Fair |
| US 101 over Percival CR & Bnrr No. 0014272B0000000 | Thurston County | 4.5 S JCT SR 8 | 1995 | Stringer/Multi-beam or Girder | 354 ft | 37,858 | Fair |
| I-5 over RR and Cameron Way No. 0004768A0000000 | Skagit County | 0.6 N JCT SR 536 | 1954 | Box Beam or Girders - Multiple | 467 ft | 37,729 | Fair |
| I-5 over Bn RY No. 0008952D0000000 | Cowlitz County | 4.9 N JCT SR 503 | 1972 | Stringer/Multi-beam or Girder | 384 ft | 37,599 | Fair |
| I-205 over ST Johns RD No. 0009241G0000000 | Clark County | 3.4 N JCT SR 500 | 1973 | Stringer/Multi-beam or Girder | 212 ft | 37,534 | Fair |
| SR 512 over I-5 No. 0005655A0000000 | Pierce County | 12.7 N Thurston CO | 1958 | Slab | 211 ft | 37,302 | Fair |
| SR 99 over N 50th ST No. 0001684A0000000 | King County | 9.2 N JCT SR 509 | 1933 | Tee Beam | 44 ft | 37,273 | Fair |
| SR 526 over E Casino RD No. 0008446G0000000 | Snohomish County | 3.7 E JCT SR 525 | 1969 | Stringer/Multi-beam or Girder | 234 ft | 37,224 | Fair |
| S Boeing Access RD over I-5 No. 0007618E0000000 | King County | 0.5 N JCT SR 900 | 1966 | Stringer/Multi-beam or Girder | 337 ft | 37,060 | Fair |
| Eastlake Ave NE over NE 40th ST Burke Gilman No. 085277000000000 | King County | 3800 Eastlake Ave | 1930 | Truss - Deck | 644 ft | 37,000 | Fair |
| Logan Ave N over Cedar River No. 085281000000000 | King County | 0.4 MI E JCT SR-167 | 1973 | Stringer/Multi-beam or Girder | 200 ft | 37,000 | Fair |
| I-5 over NE 78th ST No. 0015661G0000000 | Clark County | 2.1 N JCT SR 500 | 2001 | Box Beam or Girders - Multiple | 400 ft | 36,997 | Fair |
| I-182 over Columbia R City Streets No. 0012042A0000000 | Benton County | 0.9 E JCT SR 240 | 1984 | Segmental Box Girder | 1,950 ft | 36,943 | Fair |
| I-182 over Columbia River No. 0012042B0000000 | Benton County | 0.9 E JCT SR 240 | 1984 | Segmental Box Girder | 1,950 ft | 36,943 | Fair |
| I-405 over I-5 No. 0007401J0000000 | King County | JCT I-5 | 1965 | Box Beam or Girders - Multiple | 556 ft | 36,877 | Fair |
| 164th Street SE over North Creek No. 085785000000000 | Snohomish County | 0.2 W JCT SR 527 | 1967 | Tee Beam | 29 ft | 36,800 | Fair |
| I-5 Rev Exp Lanes over Ravenna Blvd No. 0006286C0000000 | King County | 5.8 N JCT I-90 | 1961 | Stringer/Multi-beam or Girder | 1,349 ft | 36,725 | Fair |
| C.C.B. over C.I.D. Canal No. 085499000000000 | Benton County | 00.1 S SR240 | 1970 | Stringer/Multi-beam or Girder | 52 ft | 36,358 | Fair |
| I-5 over Cw RY No. 0011336A0000000 | Lewis County | 6.5 N JCT SR 508 | 1953 | Tee Beam | 199 ft | 36,296 | Fair |
| I-5 over Np RY & Dillenbaugh CR No. 0012597A0000000 | Lewis County | 6.1 N JCT SR 508 | 1954 | Stringer/Multi-beam or Girder | 537 ft | 36,296 | Fair |
| SR 500 over I-205 No. 0009214B0000000 | Clark County | 4.8 E JCT I-5 | 1973 | Box Beam or Girders - Multiple | 408 ft | 36,179 | Fair |
| S 212th ST over Green River No. 085156000000000 | King County | 0.72 MI W of 68th Av S | 1966 | Stringer/Multi-beam or Girder | 194 ft | 36,000 | Fair |
| I-90 Wcd Ramp over Ramps Rail City Street No. 0007565L0000000 | King County | JCT I-5 & I-90 | 1965 | Box Beam or Girders - Multiple | 865 ft | 35,848 | Fair |
| I-5 over I-5 Drainage No. 0009392B0000000 | Skagit County | 2.6 N JCT 534 | 1972 | Culvert | 75 ft | 35,558 | Fair |
| SR 524 over I-5 No. 0007134B0000000 | Snohomish County | 1.6 E JCT SR 99 | 1964 | Box Beam or Girders - Multiple | 491 ft | 35,106 | Fair |
| Eastlake Ave NE over NE Pacific ST No. 085276000000000 | King County | 3800 Eastlake Ave | 1930 | Girder and Floorbeam System | 321 ft | 35,000 | Fair |
| I-90 over E Fk Issaquah CR No. 0009973A0000000 | King County | 2.6 E JCT SR 900 | 1976 | Stringer/Multi-beam or Girder | 74 ft | 34,797 | Fair |
| I-90 over E Fk Issaquah Creek No. 0009973C0000000 | King County | 2.9 E JCT SR 900 | 1976 | Stringer/Multi-beam or Girder | 544 ft | 34,797 | Fair |
| I-90 over E Fk Issaquah Creek No. 0009973E0000000 | King County | 3.3 E JCT SR 900 | 1976 | Stringer/Multi-beam or Girder | 78 ft | 34,797 | Fair |
| I-90 over E Fk Issaquah CR No. 0009973G0000000 | King County | 2.7 E JCT SR 900 | 1976 | Stringer/Multi-beam or Girder | 230 ft | 34,797 | Fair |
| SR 526 over Hardeson Road No. 0008446D0000000 | Snohomish County | 2.9 E JCT SR 525 | 1969 | Stringer/Multi-beam or Girder | 163 ft | 34,774 | Fair |
| NB I-5 over Prairie Creek No. 0017465A0000000 | Thurston County | 2.4 N Lewis CO | 2009 | Stringer/Multi-beam or Girder | 77 ft | 34,754 | Fair |
| Sullivan RD over I-90 No. 0012818A0000000 | Spokane County | 2.0 E JCT SR 27 | 1985 | Stringer/Multi-beam or Girder | 189 ft | 34,662 | Fair |
| Avondale Road over Bear Creek No. 085694000000000 | King County | .4 N JCT 520/202 | 1979 | Channel Beam | 52 ft | 34,500 | Fair |
| South 43rd Street over Hospital Access Road No. 086035000000000 | King County | 0.2 MI E JCT SR-167 | 1992 | Culvert | 35 ft | 34,442 | Fair |
| US 395 over Columbia R-Riverside DR No. 0004195A0000000 | Benton County | 0.3 N JCT SR 240 | 1954 | Arch - Thru | 2,521 ft | 34,219 | Fair |
| I-5 over Elm ST No. 0008287A0000000 | Cowlitz County | 8.8 N JCT SR 503 | 1968 | Stringer/Multi-beam or Girder | 80 ft | 34,170 | Fair |
| I-90 over E Fk Issaquah CR No. 0004040F0000000 | King County | 5.6 E JCT SR 900 | 1951 | Slab | 52 ft | 34,108 | Fair |
| I-5 over 44th Ave NW No. 0005422A0000000 | Snohomish County | 4.1 N JCT SR 532 | 1957 | Slab | 119 ft | 33,933 | Fair |
| I-5 over 44th Ave NW No. 0008879C0000000 | Snohomish County | 4.1 N JCT SR 532 | 1971 | Slab | 138 ft | 33,933 | Fair |
| I-5 over Log Dump RD No. 0004885A0000000 | Cowlitz County | 1.6 N JCT SR 503 | 1955 | Tee Beam | 104 ft | 33,912 | Fair |
| I-90 over High Point RD No. 0009733A0000000 | King County | 4.4 E JCT SR 900 | 1975 | Stringer/Multi-beam or Girder | 140 ft | 33,894 | Fair |
| I-90 over High Point RD No. 0009733B0000000 | King County | 4.4 E JCT SR 900 | 1975 | Stringer/Multi-beam or Girder | 140 ft | 33,894 | Fair |
| I-90 over Game Crossing No. 0009900B0000000 | King County | 1.3 E JCT SR 18 | 1976 | Slab | 80 ft | 33,803 | Fair |
| I-5 over NE 99th ST No. 0014329A0000000 | Clark County | 3.2 N JCT SR 500 | 1996 | Box Beam or Girders - Multiple | 330 ft | 33,756 | Fair |
| I-5 over Hill Ditch No. 0005422B0000000 | Skagit County | 2.1 N Snohomish CO | 1957 | Slab | 106 ft | 33,686 | Fair |
| I-5 over Hill Ditch No. 0008650A0000000 | Skagit County | 2.1 N Snohomish CO | 1970 | Slab | 122 ft | 33,686 | Fair |
| SR 99 over SR 518 Riverton Hts No. 0007046A0000000 | King County | 4.9 N JCT SR 516 | 1962 | Stringer/Multi-beam or Girder | 324 ft | 33,632 | Fair |
| 41st ST over Broadway No. 0008132I0000000 | Snohomish County | 0.3 N JCT I-5 | 1967 | Stringer/Multi-beam or Girder | 203 ft | 33,594 | Fair |
| I-5 over Iowa ST No. 0005468A0000000 | Whatcom County | 3.1 N JCT SR 11 | 1957 | Slab | 138 ft | 33,565 | Fair |
| I-5 over Whatcom Creek No. 0005525A0000000 | Whatcom County | 2.9 N JCT SR 11 | 1957 | Slab | 119 ft | 33,565 | Fair |
| I-5 over Whatcom Creek No. 0005525B0000000 | Whatcom County | 2.9 N JCT SR 11 | 1957 | Slab | 154 ft | 33,565 | Fair |
| I-5 over SR 532/268th ST NE No. 0005423A0000000 | Snohomish County | 4.0 N JCT SR 530 | 1957 | Slab | 135 ft | 33,442 | Fair |
| I-5 over SR 532 / 268th ST NE No. 0008879A0000000 | Snohomish County | 4.0 N JCT SR 530 | 1971 | Slab | 135 ft | 33,442 | Fair |
| SR 99 over N 63rd ST No. 0001673A0000000 | King County | 9.8 N JCT SR 509 | 1932 | Slab | 73 ft | 33,359 | Fair |
| SR 525 over Maple RD & Ash Way No. 0011980A0000000 | Snohomish County | 0.4 N JCT I-5 | 1983 | Stringer/Multi-beam or Girder | 830 ft | 33,261 | Fair |
| SR 525 over Maple RD & Ash Way No. 0011980B0000000 | Snohomish County | 0.4 N JCT I-5 | 1983 | Stringer/Multi-beam or Girder | 757 ft | 33,261 | Fair |
| I-5 over 300th ST Nw/Freeborn RD No. 0005423B0000000 | Snohomish County | 2.4 N JCT SR 532 | 1957 | Slab | 119 ft | 33,190 | Fair |
| I-5 over 300th ST Nw/Freeborn RD No. 0008879B0000000 | Snohomish County | 2.4 N JCT SR 532 | 1971 | Stringer/Multi-beam or Girder | 150 ft | 33,190 | Fair |
| I-5 over SR 503 No. 0007064B0000000 | Cowlitz County | 0.4 N Clark CO | 1963 | Stringer/Multi-beam or Girder | 168 ft | 33,156 | Fair |
| SR 520 over Peat Bog No. 0014039G0000000 | King County | 0.2 E JCT I-405 | 1993 | Stringer/Multi-beam or Girder | 194 ft | 32,900 | Fair |
| I-5 over Lakeway Drive No. 0005790A0000000 | Whatcom County | 2.2 N JCT SR 11 | 1958 | Box Beam or Girders - Multiple | 84 ft | 32,863 | Fair |
| I-5 over Lakeway Drive No. 0005790B0000000 | Whatcom County | 2.2 N JCT SR 11 | 1958 | Box Beam or Girders - Multiple | 84 ft | 32,863 | Fair |
| Interurban Ave S over Green River No. 0007079A0000000 | King County | 0.1 N JCT I-405 | 1963 | Stringer/Multi-beam or Girder | 205 ft | 32,860 | Fair |
| SR 531 over I-5 No. 0016801A0000000 | Snohomish County | JCT I-5 | 2005 | Stringer/Multi-beam or Girder | 243 ft | 32,637 | Fair |
| I-5 over SR 507 Mellen ST No. 0003922A0000000 | Lewis County | 3.7 N JCT SR 6 | 1951 | Tee Beam | 94 ft | 32,590 | Fair |
| I-90 over 4th Ave NW & Trail No. 0008573C0000000 | King County | 1.0 E JCT SR 900 | 1971 | Stringer/Multi-beam or Girder | 445 ft | 32,550 | Fair |
| I-90 over 4th Ave NW & Trail No. 0008573D0000000 | King County | 1.0 E JCT SR 900 | 1971 | Stringer/Multi-beam or Girder | 416 ft | 32,550 | Fair |
| I-90 over Front ST N No. 0008573E0000000 | King County | 1.3 E JCT SR 900 | 1971 | Stringer/Multi-beam or Girder | 226 ft | 32,550 | Fair |
| S Boeing Access RD over Bnrr No. 080025000000000 | King County | 0.3 MI W of E Marginal Wy | 1945 | Stringer/Multi-beam or Girder | 337 ft | 32,504 | Fair |
| I-5 Sbcd over Dearborn ST No. 0007565J0000000 | King County | 0.1 N JCT I-90 | 1965 | Box Beam or Girders - Multiple | 216 ft | 32,408 | Fair |
| I-5 over SR 538 No. 0004795A0000000 | Skagit County | 1.3 N JCT SR 536 | 1955 | Tee Beam | 124 ft | 32,095 | Fair |
Counties with the most
| King County | 607 | 48% |
| Snohomish County | 232 | 46% |
| Yakima County | 203 | 36% |
| Lewis County | 194 | 46% |
| Pierce County | 191 | 40% |
| Whatcom County | 178 | 50% |
| Whitman County | 154 | 44% |
| Grays Harbor County | 152 | 41% |
| Skagit County | 149 | 58% |
| Kittitas County | 145 | 46% |