Good-condition bridges in Washington
4,343 of Washington's 8,520 bridges (51.0%) are rated good.All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.Nationally, 43.7% of bridges carry this rating.
- Good bridges
- 4,343
- 51.0% of state total
- Average age
- 37.1 yrs
- Posted with load limits
- 160
- Closed
- 1
Busiest good-condition bridges
Top 300 by daily traffic · 31,032,385 total daily crossings| Bridge | County | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|---|
| I-90 EB over Sunset Creek No. 0019750B0000000 | King County | 0.5 E JCT I-405 | 2024 | Stringer/Multi-beam or Girder | 154 ft | 139,482 | Good |
| I-90 WB over Sunset Creek No. 0019750C0000000 | King County | 0.5 E JCT I-405 | 2024 | Stringer/Multi-beam or Girder | 154 ft | 139,482 | Good |
| I-5 over I-405 NB / SR 518 EB No. 0007401E0000000 | King County | 5.2 N JCT SR 516 | 1966 | Stringer/Multi-beam or Girder | 217 ft | 106,282 | Good |
| I-5 over E-N Ramp No. 0007401G0000000 | King County | 5.2 N JCT SR 516 | 1965 | Stringer/Multi-beam or Girder | 168 ft | 106,282 | Good |
| I-5 over Southcenter Blvd No. 0007442A0000000 | King County | 5.2 N JCT SR 516 | 1965 | Stringer/Multi-beam or Girder | 98 ft | 106,282 | Good |
| I-5 over Southcenter Blvd No. 0007442B0000000 | King County | 5.2 N JCT SR 516 | 1965 | Stringer/Multi-beam or Girder | 84 ft | 106,282 | Good |
| I-5 over S 259th Pl No. 0006186A0000000 | King County | 5.6 N JCT SR 18 | 1960 | Slab | 162 ft | 104,261 | Good |
| I-5 over Norfolk ST Sewer No. 0007617B0000000 | King County | 1.0 N JCT SR 900 | 1966 | Stringer/Multi-beam or Girder | 74 ft | 103,312 | Good |
| I-5 over Military RD Rose ST No. 0007617C0000000 | King County | 2.2 N JCT SR 900 | 1966 | Slab | 161 ft | 103,312 | Good |
| I-5 over Orillia Rd/S 188th ST No. 0007090C0000000 | King County | 3.1 N JCT SR 516 | 1963 | Stringer/Multi-beam or Girder | 230 ft | 100,213 | Good |
| I-5 over 52nd Ave W No. 0007227B0000000 | Snohomish County | 2.3 N JCT SR 104 | 1963 | Stringer/Multi-beam or Girder | 189 ft | 98,485 | Good |
| I-5 over Military RD No. 0006124B0000000 | King County | 2.6 N JCT SR 18 | 1959 | Box Beam or Girders - Multiple | 199 ft | 98,173 | Good |
| I-5 over S 288th ST No. 0006313A0000000 | King County | 3.8 N JCT SR 18 | 1961 | Stringer/Multi-beam or Girder | 157 ft | 98,173 | Good |
| I-5 over Wapato Creek No. 0006379A0000000 | Pierce County | 1.4 N JCT SR 167 | 1960 | Slab | 60 ft | 97,641 | Good |
| I-5 over Wapato Creek No. 0006379B0000000 | Pierce County | 1.4 N JCT SR 167 | 1960 | Slab | 60 ft | 97,641 | Good |
| I-5 over Hylebos Creek No. 0006361B0000000 | Pierce County | 1.3 N JCT SR 99 | 1960 | Slab | 78 ft | 96,536 | Good |
| I-5 over Hylebos Creek No. 0006361C0000000 | Pierce County | 1.3 N JCT SR 99 | 1960 | Slab | 78 ft | 96,536 | Good |
| I-5 over Hylebos Creek No. 0006379C0000000 | Pierce County | 1.7 N JCT SR 99 | 1960 | Slab | 402 ft | 96,536 | Good |
| I-5 over Hylebos Creek No. 0006379D0000000 | Pierce County | 1.7 N JCT SR 99 | 1960 | Slab | 322 ft | 96,536 | Good |
| I-5 Northbound over Hylebos Creek No. 0019540L0000000 | Pierce County | 1.2 N JCT SR 99 | 2023 | Slab | 81 ft | 96,536 | Good |
| I-5 Southbound over Hylebos Creek No. 0019540M0000000 | Pierce County | 1.2 N JCT SR 99 | 2023 | Slab | 81 ft | 96,536 | Good |
| I-5 over Lowell Road No. 0003842A0000000 | Snohomish County | 2.3 N JCT SR 527 | 1950 | Tee Beam | 142 ft | 94,939 | Good |
| I-5 over Lowell Road No. 0008132A0000000 | Snohomish County | 2.3 N JCT SR 527 | 1967 | Stringer/Multi-beam or Girder | 211 ft | 94,939 | Good |
| I-5 SB over NB & SB Hov Ramps No. 0016991C0000000 | Snohomish County | 3.8 N JCT SR 527 | 2007 | Stringer/Multi-beam or Girder | 164 ft | 94,939 | Good |
| I-5 over S 272nd ST No. 0006313C0000000 | King County | 4.8 N JCT SR 18 | 1961 | Stringer/Multi-beam or Girder | 151 ft | 92,376 | Good |
| I-5 over S 272nd ST No. 0006313D0000000 | King County | 4.8 N JCT SR 18 | 1961 | Stringer/Multi-beam or Girder | 151 ft | 92,376 | Good |
| I-5 over Metro Access No. 0013302A0000000 | King County | 0.9 N JCT SR 523 | 1990 | Slab | 40 ft | 92,302 | Good |
| I-5 over Puyallup R/Rr/Sr 167 No. 0018670B0000000 | Pierce County | 0.2 N JCT SR 167 | 2017 | Stringer/Multi-beam or Girder | 1,570 ft | 90,829 | Good |
| I-5 over Puyallup River/Rr/Sr 167 No. 0019157A0000000 | Pierce County | 0.2 N JCT SR 167 | 2021 | Stringer/Multi-beam or Girder | 1,579 ft | 90,829 | Good |
| I-5 over Smith Ave No. 0008132H0000000 | Snohomish County | 3.7 N JCT SR 527 | 1967 | Stringer/Multi-beam or Girder | 110 ft | 90,360 | Good |
| I-5 over NE Northgate Way No. 0012197B0000000 | King County | 2.0 N JCT SR 522 | 1964 | Stringer/Multi-beam or Girder | 166 ft | 89,154 | Good |
| I-5 over S 96th ST No. 0005667B0000000 | Pierce County | 0.6 N JCT SR 512 | 1958 | Box Beam or Girders - Multiple | 86 ft | 88,784 | Good |
| I-405 over Pedestrian Trail No. 0004978A0000000 | King County | 5.2 N JCT SR 520 | 1956 | Tee Beam | 199 ft | 85,426 | Good |
| I-405 over Pedestrian Trail No. 0008615C0000000 | King County | 5.2 N JCT SR 520 | 1970 | Stringer/Multi-beam or Girder | 243 ft | 85,426 | Good |
| I-405 over NE 116th ST No. 0017042A0000000 | King County | 5.0 N JCT SR 520 | 2007 | Stringer/Multi-beam or Girder | 132 ft | 85,426 | Good |
| I-405 over NE 116th ST No. 0017042B0000000 | King County | 5.0 N JCT SR 520 | 2006 | Stringer/Multi-beam or Girder | 132 ft | 85,426 | Good |
| I-405 over Cedar River No. 0014052B0000000 | King County | 0.9 N JCT SR 515 | 1994 | Stringer/Multi-beam or Girder | 558 ft | 85,117 | Good |
| I-405 over Springbrook/Oakesdale No. 0017295A0000000 | King County | 0.6 N JCT SR 181 | 2009 | Stringer/Multi-beam or Girder | 412 ft | 83,533 | Good |
| I-405 over N-W Ramp No. 0007596A0000000 | King County | 3.6 N JCT I-90 | 1965 | Stringer/Multi-beam or Girder | 249 ft | 83,247 | Good |
| I-5 over NE 175th ST No. 0007299A0000000 | King County | 1.6 N JCT SR 523 | 1964 | Box Beam or Girders - Multiple | 163 ft | 82,639 | Good |
| I-5 over NE 175th ST No. 0007299B0000000 | King County | 1.6 N JCT SR 523 | 1964 | Box Beam or Girders - Multiple | 163 ft | 82,639 | Good |
| I-405 over NE 85th ST No. 0008674E0000000 | King County | 3.3 N JCT SR 520 | 1971 | Stringer/Multi-beam or Girder | 223 ft | 80,423 | Good |
| I-405 over NE 85th ST No. 0008674F0000000 | King County | 3.3 N JCT SR 520 | 1971 | Stringer/Multi-beam or Girder | 219 ft | 80,423 | Good |
| I-5 over Abandoned RR No. 0008132E0000000 | Snohomish County | 3.5 N JCT SR 527 | 1967 | Stringer/Multi-beam or Girder | 260 ft | 78,048 | Good |
| I-5 over I-405 & Ramps No. 0007134A0000000 | Snohomish County | 1.1 N JCT SR 524 | 1964 | Stringer/Multi-beam or Girder | 274 ft | 77,502 | Good |
| I-5 over SR 104 / NE 205th ST No. 0007071A0000000 | King County | 3.1 N JCT SR 523 | 1963 | Stringer/Multi-beam or Girder | 200 ft | 77,329 | Good |
| I-5 over SR 104 / NE 205th ST No. 0007071B0000000 | King County | 3.1 N JCT SR 523 | 1963 | Stringer/Multi-beam or Girder | 188 ft | 77,329 | Good |
| I-5 SB over Fallout Shelter No. 002004110000000 | King County | 2.3 N JCT SR 520 | 1963 | Culvert | 57 ft | 76,058 | Good |
| I-405 over May Creek No. 0005347C0000000 | King County | 1.8 N JCT SR 900 | 1958 | Tee Beam | 169 ft | 74,980 | Good |
| I-405 over May Creek No. 0019242B0000000 | King County | 1.8 N JCT SR 900 | 2023 | Stringer/Multi-beam or Girder | 166 ft | 74,980 | Good |
| I-5 over I-705 SR 7 Ramps RR No. 0018607C0000000 | Pierce County | 1.3 N JCT SR 16 | 2016 | Girder and Floorbeam System | 718 ft | 74,394 | Good |
| Lake Wa BLVD/112th over I-405 No. 0019242H0000000 | King County | 3.8 N JCT SR 900 | 2023 | Stringer/Multi-beam or Girder | 119 ft | 73,753 | Good |
| SR 16 over Cedar ST No. 0009151B0000000 | Pierce County | 0.6 N JCT I-5 | 1972 | Tee Beam | 199 ft | 71,543 | Good |
| SR 16 over Union Ave No. 0009151C0000000 | Pierce County | 1.1 N JCT I-5 | 1972 | Frame | 231 ft | 71,543 | Good |
| SR 16 over Union Ave No. 0009151D0000000 | Pierce County | 1.1 N JCT I-5 | 1972 | Frame | 231 ft | 71,543 | Good |
| I-5 over Dearborn ST No. 0007565G0000000 | King County | 0.1 N JCT I-90 | 1965 | Box Beam or Girders - Multiple | 219 ft | 71,171 | Good |
| I-405 NB over NE 44th ST No. 0019242D0000000 | King County | 2.0 N JCT SR 900 | 2023 | Stringer/Multi-beam or Girder | 134 ft | 70,736 | Good |
| I-90 over Richards RD No. 0008190A0000000 | King County | 0.2 E JCT I-405 | 1968 | Stringer/Multi-beam or Girder | 214 ft | 69,741 | Good |
| I-5 over Henderson Blvd No. 0005366A0000000 | Thurston County | 1.2 N JCT US 101 | 1957 | Box Beam or Girders - Multiple | 87 ft | 69,477 | Good |
| Lk Wash BLVD/112th over I-405 No. 0019242G0000000 | King County | 3.8 N JCT SR 900 | 2024 | Stringer/Multi-beam or Girder | 106 ft | 68,675 | Good |
| EB I-90 over Lake Washington No. 000000KP0000000 | King County | 3.8 E JCT I-5 | 1940 | Arch - Thru | 890 ft | 68,544 | Good |
| Westbound I-90 over S Transit RR Lakeview a No. 0013168A0000000 | King County | 1.5 E JCT I-5 | 1989 | Slab | 269 ft | 68,544 | Good |
| I-5 over Quilceda Creek No. 0004352A0000000 | Snohomish County | 0.9 N JCT SR 528 | 1953 | Slab | 112 ft | 68,535 | Good |
| I-5 over S M ST No. 0006088B0000000 | Pierce County | 0.5 N JCT SR 16 | 1959 | Box Beam or Girders - Multiple | 232 ft | 67,156 | Good |
| I-5 NB over SR 16 Eb/Sb E/S-N Ramp No. 0018818A0000000 | Pierce County | 5.0 N JCT SR 512 | 2017 | Stringer/Multi-beam or Girder | 156 ft | 67,156 | Good |
| I-5 SB over SR 16 Eb/Sb Hov Ramps No. 0018818D0000000 | Pierce County | 5.0 N JCT SR 512 | 2019 | Stringer/Multi-beam or Girder | 495 ft | 67,156 | Good |
| I-405 over Northup Way No. 0004609A0000000 | King County | 0.1 N JCT SR 520 | 1954 | Tee Beam | 149 ft | 67,108 | Good |
| I-405 over SR 520 No. 0007596C0000000 | King County | 3.7 N JCT I-90 | 1966 | Stringer/Multi-beam or Girder | 247 ft | 67,108 | Good |
| I-405 over SR 520 No. 0007596D0000000 | King County | 3.7 N JCT I-90 | 1966 | Stringer/Multi-beam or Girder | 241 ft | 67,108 | Good |
| I-405 over Northup Way No. 0007596E0000000 | King County | 0.1 N JCT SR 520 | 1965 | Stringer/Multi-beam or Girder | 160 ft | 67,108 | Good |
| I-405 over 115th Ave NE & Trail No. 0007742A0000000 | King County | 0.2 N JCT SR 520 | 1965 | Stringer/Multi-beam or Girder | 296 ft | 67,108 | Good |
| US 101 NB over I-5 Ramps Street No. 0013384A0000000 | Thurston County | 5.8 E JCT SR 8 | 1990 | Box Beam or Girders - Single or Spread | 415 ft | 62,306 | Good |
| I-5 over SR 528 4th ST No. 0008753A0000000 | Snohomish County | 5.3 N JCT US 2 | 1971 | Tee Beam | 124 ft | 62,168 | Good |
| I-5 over US 2 Eb/Hewitt Ave No. 0007888E0000000 | Snohomish County | 1.1 N JCT SR 529 | 1966 | Stringer/Multi-beam or Girder | 115 ft | 62,161 | Good |
| I-5 over US 2 Eb/Hewitt Ave No. 0007888F0000000 | Snohomish County | 1.1 N JCT SR 529 | 1966 | Stringer/Multi-beam or Girder | 115 ft | 62,161 | Good |
| I-5 over SR 529 Spur/Everett Ave No. 0007888G0000000 | Snohomish County | 0.1 N JCT US 2 | 1966 | Stringer/Multi-beam or Girder | 128 ft | 62,161 | Good |
| I-5 over SR 529 Spur/Everett Ave No. 0007888H0000000 | Snohomish County | 0.1 N JCT US 2 | 1966 | Stringer/Multi-beam or Girder | 128 ft | 62,161 | Good |
| I-5 over W-S W-W S-E Ramps No. 0008085D0000000 | Snohomish County | 1.3 N JCT SR 529 | 1967 | Box Beam or Girders - Multiple | 361 ft | 62,161 | Good |
| SR 167 over James ST No. 0008114H0000000 | King County | 0.6 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 191 ft | 61,426 | Good |
| SR 167 over Railroad & Ped Trail No. 0008175A0000000 | King County | 0.8 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 348 ft | 61,426 | Good |
| SR 167 over Cmstpp RR No. 0008175B0000000 | King County | 0.8 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 360 ft | 61,426 | Good |
| SR 167 over 4th Ave N No. 0008175C0000000 | King County | 1.1 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 246 ft | 61,426 | Good |
| SR 167 over 4th Ave N No. 0008175D0000000 | King County | 1.1 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 246 ft | 61,426 | Good |
| I-405 over Damson RD No. 0008417C0000000 | Snohomish County | 2.2 N JCT SR 527 | 1968 | Stringer/Multi-beam or Girder | 212 ft | 61,143 | Good |
| I-405 over SR 524 (filbert Rd) No. 0011598B0000000 | Snohomish County | 2.9 N JCT SR 527 | 1968 | Box Beam or Girders - Multiple | 338 ft | 61,143 | Good |
| I-182 over Fcid Canal No. 0012236I0000000 | Franklin County | 4.7 E Benton CO | 1984 | Culvert | 27 ft | 60,640 | Good |
| SR 16 over Tyler ST - Snake Lake No. 0009415A0000000 | Pierce County | 1.6 N JCT I-5 | 1972 | Stringer/Multi-beam or Girder | 483 ft | 59,613 | Good |
| SR 518 over 42nd Ave S No. 0007046B0000000 | King County | 0.4 E JCT SR 99 | 1963 | Stringer/Multi-beam or Girder | 207 ft | 59,545 | Good |
| SR 518 over 42nd Ave S No. 0007956A0000000 | King County | 0.4 E JCT SR 99 | 1966 | Stringer/Multi-beam or Girder | 207 ft | 59,545 | Good |
| I-90 over S Altamont ST No. 0005453A0000000 | Spokane County | 1.7 E JCT US 2 | 1957 | Slab | 66 ft | 58,628 | Good |
| SR 525 over SR 99 No. 0015688A0000000 | Snohomish County | 2.7 N JCT I-5 | 2001 | Stringer/Multi-beam or Girder | 218 ft | 58,122 | Good |
| I-5 over BNSF RR No. 0008632B0000000 | Snohomish County | 5.0 N JCT SR 528 | 1970 | Stringer/Multi-beam or Girder | 421 ft | 57,277 | Good |
| I-5 over BNSF RR No. 0008632C0000000 | Snohomish County | 5.0 N JCT SR 528 | 1970 | Stringer/Multi-beam or Girder | 421 ft | 57,277 | Good |
| I-90 Westbound over Sound Transit Railroad No. 0013024A0000000 | King County | 0.3 E JCT I-5 | 1988 | Box Beam or Girders - Multiple | 345 ft | 56,847 | Good |
| I-90 over Rainier Ave S No. 0013725F0000000 | King County | 0.6 E JCT I-5 | 1992 | Box Beam or Girders - Multiple | 296 ft | 56,847 | Good |
| Evergreen Way over SR 526 No. 0008446F0000000 | Snohomish County | 3.5 N JCT SR 525 | 1969 | Box Beam or Girders - Multiple | 109 ft | 56,198 | Good |
| I-405 over North Creek No. 0008375B0000000 | King County | 0.6 N JCT SR 522 | 1968 | Slab | 114 ft | 55,889 | Good |
| I-5 Nbcd over King Jackson ST No. 0007504C0000000 | King County | 0.3 N JCT I-90 | 1965 | Box Beam or Girders - Multiple | 709 ft | 55,400 | Good |
| SR 167 over 84th Ave South No. 0008114J0000000 | King County | 1.7 N JCT SR 516 | 1967 | Stringer/Multi-beam or Girder | 229 ft | 53,546 | Good |
| I-5 over SR 501/MILL Plain Blvd No. 0011193B0000000 | Clark County | 0.7 N JCT SR 14 | 1979 | Box Beam or Girders - Multiple | 210 ft | 52,908 | Good |
| I-5 over SR 501/MILL Plain Blvd No. 0011193C0000000 | Clark County | 0.7 N JCT SR 14 | 1981 | Box Beam or Girders - Single or Spread | 210 ft | 52,908 | Good |
| I-5 over Mcloughlin Blvd No. 0011193F0000000 | Clark County | 0.9 N JCT SR 14 | 1980 | Box Beam or Girders - Multiple | 158 ft | 52,908 | Good |
| SR 167 over Third Ave SW No. 0010513A0000000 | King County | 0.5 N Pierce CO | 1977 | Stringer/Multi-beam or Girder | 164 ft | 52,419 | Good |
| SR 18 over W Valley Hwy(old SR 181) No. 0005433B0000000 | King County | 2.3 E JCT I-5 | 1957 | Slab | 114 ft | 52,049 | Good |
| I-5 over Linwood Ave No. 0004887A0000000 | Thurston County | 4.0 N JCT SR 121 | 1955 | Slab | 53 ft | 51,489 | Good |
| I-90 over UPRR No. 0015438B0000000 | Spokane County | 4.4 E JCT US 2 | 2000 | Frame | 59 ft | 51,385 | Good |
| I-90 over Sprague Ave No. 0015947A0000000 | Spokane County | 4.3 E JCT US 2 | 2001 | Stringer/Multi-beam or Girder | 221 ft | 51,385 | Good |
| I-90 over UPRR No. 0015947B0000000 | Spokane County | 4.4 E JCT US 2 | 2001 | Frame | 59 ft | 51,385 | Good |
| I-205 over E-N Ramp No. 0009857D0000000 | Clark County | 0.5 N Oregon | 1976 | Slab | 38 ft | 51,099 | Good |
| SR 16 over South 12th Street No. 0012985A0000000 | Pierce County | 3.0 N JCT I-5 | 1986 | Frame | 194 ft | 50,579 | Good |
| SR 16 over South 12th Street No. 0016767C0000000 | Pierce County | 3.0 N JCT I-5 | 2006 | Stringer/Multi-beam or Girder | 135 ft | 50,579 | Good |
| SR 18 over Cmstpp RR No. 0004896A0000000 | King County | 0.6 E JCT SR 167 | 1955 | Box Beam or Girders - Multiple | 280 ft | 50,541 | Good |
| SR 18 over UP RR No. 0009058A0000000 | King County | 0.6 E JCT SR 167 | 1972 | Stringer/Multi-beam or Girder | 284 ft | 50,541 | Good |
| I-5 over Capitol Lake No. 0005090A0000000 | Thurston County | 0.5 N JCT US 101 | 1956 | Box Beam or Girders - Multiple | 392 ft | 49,410 | Good |
| NE 8th ST over I-405 No. 0016317A0000000 | King County | 2.7 N JCT I-90 | 2003 | Stringer/Multi-beam or Girder | 328 ft | 48,783 | Good |
| I-405 over I-90 No. 0017283A0000000 | King County | 5.7 N JCT SR 900 | 2008 | Stringer/Multi-beam or Girder | 893 ft | 48,783 | Good |
| I-5 over Portage Creek No. 0008631B0000000 | Snohomish County | 1.9 N JCT SR 531 | 1970 | Slab | 120 ft | 47,995 | Good |
| SR 167 over W Valley HWY No. 0013042D0000000 | Pierce County | 0.5 N JCT SR 410 | 1987 | Stringer/Multi-beam or Girder | 290 ft | 47,924 | Good |
| SR 167 over Soaton Creek No. 0016597B0000000 | Pierce County | 2.9 N JCT SR 410 | 2003 | Culvert | 32 ft | 47,924 | Good |
| US 2 over Spokane River No. 0013794A0000000 | Spokane County | 0.7 E JCT I-90 | 1992 | Box Beam or Girders - Multiple | 434 ft | 47,781 | Good |
| SR 96 over North Creek No. 0019885A0000000 | Snohomish County | 0.5 E JCT I-5 | 2023 | Culvert | 24 ft | 47,281 | Good |
| N-N Ramp over I-5 No. 0017594A0000000 | Pierce County | JCT SR 16 | 2011 | Segmental Box Girder | 1,061 ft | 46,602 | Good |
| SR 16 over S Tacoma Way/Strr/Center No. 0017594I0000000 | Pierce County | 0.1 N JCT I-5 | 2011 | Stringer/Multi-beam or Girder | 1,609 ft | 46,602 | Good |
| SR 16 over Future Hov Lanes No. 0018189A0000000 | Pierce County | JCT I-5 | 2014 | Stringer/Multi-beam or Girder | 282 ft | 46,602 | Good |
| SR 16 over S Tacoma Way/Strr/Center No. 0018189C0000000 | Pierce County | 0.1 N JCT I-5 | 2013 | Stringer/Multi-beam or Girder | 1,425 ft | 46,602 | Good |
| I-405 over 228th ST No. 0008375C0000000 | Snohomish County | 1.3 N King CO | 1968 | Stringer/Multi-beam or Girder | 287 ft | 46,512 | Good |
| I-405 over 9th Ave SE No. 0008417A0000000 | Snohomish County | 0.4 N JCT SR 527 | 1968 | Stringer/Multi-beam or Girder | 180 ft | 46,512 | Good |
| I-405 over 9th Ave SE No. 0008417B0000000 | Snohomish County | 0.4 N JCT SR 527 | 1968 | Stringer/Multi-beam or Girder | 189 ft | 46,512 | Good |
| I-90 over Issaquah Creek No. 0008573A0000000 | King County | 0.9 E JCT SR 900 | 1970 | Slab | 126 ft | 46,269 | Good |
| I-90 over Issaquah Creek No. 0008573B0000000 | King County | 0.9 E JCT SR 900 | 1970 | Slab | 126 ft | 46,269 | Good |
| I-405 over SR 515 No. 0007376C0000000 | King County | 0.5 N JCT SR 167 | 1964 | Stringer/Multi-beam or Girder | 215 ft | 45,853 | Good |
| SR 520 over Pedestrian Trail No. 0007839D0000000 | King County | 0.2 E JCT I-405 | 1966 | Stringer/Multi-beam or Girder | 199 ft | 45,466 | Good |
| SR 520 over 130th Ave NE No. 0008744A0000000 | King County | 1.0 E JCT I-405 | 1970 | Stringer/Multi-beam or Girder | 210 ft | 45,466 | Good |
| SR 520 over Northup Way No. 0009086A0000000 | King County | 0.3 E JCT I-405 | 1971 | Box Beam or Girders - Multiple | 376 ft | 45,466 | Good |
| SR 520 over 124 Ave NE - NW Ramp No. 0009086D0000000 | King County | 0.6 E JCT I-405 | 1971 | Stringer/Multi-beam or Girder | 200 ft | 45,466 | Good |
| SR 520 over 140th Ave NE No. 0009259A0000000 | King County | 1.6 E JCT I-405 | 1972 | Stringer/Multi-beam or Girder | 213 ft | 45,466 | Good |
| SR 520 over NE 24th ST No. 0009259C0000000 | King County | 1.9 E JCT I-405 | 1972 | Stringer/Multi-beam or Girder | 329 ft | 45,466 | Good |
| SR 167 NB over SR 18 No. 0009236B0000000 | King County | 2.8 N Pierce CO | 1973 | Stringer/Multi-beam or Girder | 343 ft | 45,408 | Good |
| SR 167 over SR 18 No. 0009236C0000000 | King County | 2.8 N Pierce CO | 1973 | Stringer/Multi-beam or Girder | 335 ft | 45,408 | Good |
| SR 512 over Woodland Ave No. 0008673A0000000 | Pierce County | 4.6 E JCT SR 7 | 1971 | Stringer/Multi-beam or Girder | 157 ft | 44,771 | Good |
| SR 512 over Woodland Ave No. 0008673B0000000 | Pierce County | 4.6 E JCT SR 7 | 1971 | Stringer/Multi-beam or Girder | 157 ft | 44,771 | Good |
| SR 512 over Fruitland Ave No. 0008673C0000000 | Pierce County | 5.0 E JCT SR 7 | 1971 | Stringer/Multi-beam or Girder | 157 ft | 44,771 | Good |
| SR 512 over Fruitland Ave No. 0008673D0000000 | Pierce County | 5.0 E JCT SR 7 | 1971 | Stringer/Multi-beam or Girder | 157 ft | 44,771 | Good |
| SB SR 16 over Tacoma Narrows No. 0016441A0000000 | Pierce County | 1.5 N JCT SR 163 | 2007 | Suspension | 5,570 ft | 44,741 | Good |
| SR 167 over Stewart RD SE No. 0010558A0000000 | Pierce County | 3.6 N JCT SR 410 | 1977 | Stringer/Multi-beam or Girder | 185 ft | 44,727 | Good |
| SR 167 over Stewart ST E No. 0013042E0000000 | Pierce County | 3.6 N JCT SR 410 | 1987 | Stringer/Multi-beam or Girder | 185 ft | 44,727 | Good |
| SR 16 Hov Lanes over S Tacoma Way No. 0018818B0000000 | Pierce County | 0.1 N JCT I-5 | 2018 | Stringer/Multi-beam or Girder | 571 ft | 43,247 | Good |
| I-5 NB Hov Lane over I-5 SB SR 16 W/Nb Rmps No. 0018818C0000000 | Pierce County | 0.1 N JCT I-5 | 2019 | Stringer/Multi-beam or Girder | 651 ft | 43,247 | Good |
| NB Airport Expy over Substation No. 088543000000000 | King County | 1.0 MI S of SR 518 | 2010 | Girder and Floorbeam System | 119 ft | 43,000 | Good |
| SR 520 over Pkwy & Sammamish River No. 0014444A0000000 | King County | 4.9 E JCT I-405 | 1995 | Box Beam or Girders - Multiple | 391 ft | 42,985 | Good |
| SR 512 over 15th Ave SW No. 0009010B0000000 | Pierce County | 1.1 E JCT SR 161 | 1973 | Box Beam or Girders - Multiple | 217 ft | 42,930 | Good |
| SR 512 over Meridian ST No. 0009010C0000000 | Pierce County | 1.3 E JCT SR 161 | 1973 | Box Beam or Girders - Multiple | 237 ft | 42,930 | Good |
| SR 512 over 15th Ave SW No. 0009619A0000000 | Pierce County | 1.1 E JCT SR 161 | 1974 | Box Beam or Girders - Multiple | 190 ft | 42,930 | Good |
| SR 512 over Meridian ST No. 0009619B0000000 | Pierce County | 1.3 E JCT SR 161 | 1974 | Box Beam or Girders - Multiple | 214 ft | 42,930 | Good |
| SR 512 over Waller RD No. 0008437A0000000 | Pierce County | 2.1 E JCT SR 7 | 1969 | Stringer/Multi-beam or Girder | 160 ft | 42,762 | Good |
| SR 512 over Waller RD No. 0008437B0000000 | Pierce County | 2.1 E JCT SR 7 | 1969 | Stringer/Multi-beam or Girder | 160 ft | 42,762 | Good |
| Spokane ST Viaduct over E Marginal Wy 1st 4th No. 089348000000000 | King County | S Spokane ST & E Marginal | 2012 | Stringer/Multi-beam or Girder | 3,332 ft | 42,350 | Good |
| SR 527 over North Creek No. 0013342A0000000 | Snohomish County | 0.5 N JCT I-405 | 1988 | Stringer/Multi-beam or Girder | 75 ft | 42,001 | Good |
| I-5 over Pilchuck Creek No. 0004736B0000000 | Snohomish County | 2.0 N JCT SR 530 | 1954 | Tee Beam | 213 ft | 41,822 | Good |
| I-5 over Pilchuck Creek No. 0009130B0000000 | Snohomish County | 2.0 N JCT SR 530 | 1973 | Stringer/Multi-beam or Girder | 306 ft | 41,822 | Good |
| SR 7 (pacific Ave) over SR 512 No. 0007024A0000000 | Pierce County | 5.2 N JCT SR 507 | 1963 | Slab | 113 ft | 41,537 | Good |
| SR 16 over Rosedale ST No. 0008694A0000000 | Pierce County | 3.6 N JCT SR 16 Ar | 1970 | Stringer/Multi-beam or Girder | 233 ft | 41,194 | Good |
| WB I-90 over Tibbetts Creek No. 0016658A0000000 | King County | 5.4 E JCT I-405 | 2004 | Slab | 47 ft | 40,835 | Good |
| EB I-90 over Tibbetts Creek No. 0016658B0000000 | King County | 5.4 E JCT I-405 | 2004 | Slab | 47 ft | 40,835 | Good |
| NB I-5 over NE 117th Salmon Ck Path No. 0016610A0000000 | Clark County | 4.1 N JCT SR 500 | 2005 | Stringer/Multi-beam or Girder | 427 ft | 40,791 | Good |
| SB I-5 over NE 117th Salmon Ck Path No. 0016610B0000000 | Clark County | 4.1 N JCT SR 500 | 2005 | Stringer/Multi-beam or Girder | 427 ft | 40,791 | Good |
| US 2 over Ebey Island No. 0014428A0000000 | Snohomish County | 0.8 E JCT I-5 | 1999 | Box Beam or Girders - Single or Spread | 1,012 ft | 40,591 | Good |
| US 2 over Ebey Island No. 0015511B0000000 | Snohomish County | 0.7 E JCT I-5 | 2001 | Stringer/Multi-beam or Girder | 590 ft | 40,591 | Good |
| I-5 Nbcd Ramp over Terrain No. 0007686C0000000 | King County | JCT I-90 | 1965 | Slab | 151 ft | 40,483 | Good |
| SR 202 over Little Bear Creek No. 0018865A0000000 | King County | 0.1 E JCT SR 522 | 2017 | Stringer/Multi-beam or Girder | 40 ft | 40,454 | Good |
| SR 303 over Callahan Drive No. 0005770A0000000 | Kitsap County | 1.4 N JCT SR 304 | 1958 | Slab | 38 ft | 40,390 | Good |
| SR 16 Hov Lanes over Center ST / ST RR No. 0018189E0000000 | Pierce County | 0.1 N JCT I-5 | 2013 | Stringer/Multi-beam or Girder | 694 ft | 40,134 | Good |
| Airport Nb-Sb Loop over Airport Expressway No. 088542000000000 | King County | 0.25 MI S of SR518 | 2010 | Box Beam or Girders - Multiple | 164 ft | 40,000 | Good |
| SR 99 over Detention Vault No. 0017157A0000000 | King County | 0.9 N JCT SR 509 | 2010 | Culvert | 267 ft | 39,625 | Good |
| SR 240 over Wetland No. 0016895B0000000 | Benton County | 0.9 E JCT I-182 | 2007 | Culvert | 30 ft | 39,496 | Good |
| SB I-5 to NB SR 16 over S Tacoma Way/Strr/Center No. 0017594B0000000 | Pierce County | WB Nalley Valley | 2011 | Stringer/Multi-beam or Girder | 2,140 ft | 39,113 | Good |
| 116th Way NE over Trib to Juanita CR No. 0019573A0000000 | King County | 6.1 N JCT SR 520 | 2023 | Culvert | 24 ft | 38,957 | Good |
| SR 16 over 6th Ave No. 0012245B0000000 | Pierce County | 3.5 N JCT I-5 | 1983 | Box Beam or Girders - Multiple | 211 ft | 37,910 | Good |
| SR 16 over 6th Ave No. 0016767D0000000 | Pierce County | 3.5 N JCT I-5 | 2006 | Box Beam or Girders - Multiple | 211 ft | 37,910 | Good |
| SR 16 over SR 163/PEARL ST No. 0016767E0000000 | Pierce County | JCT SR 163 | 2006 | Box Beam or Girders - Multiple | 265 ft | 37,910 | Good |
| I-90 over W-S Ramp Richard RD No. 0008190D0000000 | King County | 0.2 E JCT I-405 | 1969 | Stringer/Multi-beam or Girder | 184 ft | 37,886 | Good |
| I-205 over Lp&n RY No. 0009241E0000000 | Clark County | 3.1 N JCT SR 500 | 1973 | Stringer/Multi-beam or Girder | 237 ft | 37,534 | Good |
| I-205 over Lp&n RY No. 0009241F0000000 | Clark County | 3.1 N JCT SR 500 | 1972 | Stringer/Multi-beam or Girder | 232 ft | 37,534 | Good |
| I-205 over Salmon Cr/Salmon CR Ave No. 0009241H0000000 | Clark County | 5.1 N JCT SR 500 | 1973 | Stringer/Multi-beam or Girder | 294 ft | 37,534 | Good |
| I-205 over Salmon CR & Ave No. 0009241I0000000 | Clark County | 5.1 N JCT SR 500 | 1973 | Stringer/Multi-beam or Girder | 288 ft | 37,534 | Good |
| I-205 over ST Johns RD No. 0009241L0000000 | Clark County | 3.4 N JCT SR 500 | 1973 | Stringer/Multi-beam or Girder | 212 ft | 37,534 | Good |
| SR 509 over I-705 Bnrr Dock Street No. 0014747A0000000 | Pierce County | JCT I-705 | 1996 | Box Beam or Girders - Multiple | 311 ft | 37,456 | Good |
| I-5 over SR 20 BNSF RR & City ST No. 0004833A0000000 | Skagit County | 2.4 N JCT SR 538 | 1955 | Tee Beam | 244 ft | 37,394 | Good |
| I-5 over Kalama River No. 0008759C0000000 | Cowlitz County | 10.8 N JCT SR 503 | 1971 | Box Beam or Girders - Multiple | 480 ft | 37,279 | Good |
| I-5 over Kalama River No. 0008759D0000000 | Cowlitz County | 10.8 N JCT SR 503 | 1970 | Box Beam or Girders - Multiple | 480 ft | 37,279 | Good |
| Canyon RD over SR 512 No. 0008437D0000000 | Pierce County | 3.6 E JCT SR 7 | 1969 | Stringer/Multi-beam or Girder | 248 ft | 36,933 | Good |
| I-5 over Owl Creek No. 0009136A0000000 | Cowlitz County | 14.7 N JCT SR 503 | 1972 | Slab | 128 ft | 36,932 | Good |
| I-5 over Owl Creek No. 0009136B0000000 | Cowlitz County | 14.7 N JCT SR 503 | 1972 | Slab | 128 ft | 36,932 | Good |
| I-5 over I-5 Drainage No. 0008650C0000000 | Skagit County | 3.8 N Snohomish CO | 1970 | Culvert | 21 ft | 36,919 | Good |
| SR 202 over Bear Creek No. 0010849A0000000 | King County | 7.6 E JCT SR 522 | 1978 | Tee Beam | 76 ft | 36,736 | Good |
| I-405 Ramp over EB I-90 Ramp No. 0008190H0000000 | King County | 5.7 N JCT SR 900 | 1969 | Stringer/Multi-beam or Girder | 82 ft | 36,070 | Good |
| 405 NE Ramp over NE Ramp over Ped Path No. 002005350000000 | King County | 5.7 N JCT SR 900 | 2021 | Culvert | 25 ft | 36,070 | Good |
| NE 124th ST over RAMP/120th Ave No. 0013716A0000000 | King County | 5.5 N JCT SR 520 | 1990 | Slab | 36 ft | 35,856 | Good |
| SR 303 (waaga Way) over SR 3 No. 0011864A0000000 | Kitsap County | JCT SR 3 | 1981 | Stringer/Multi-beam or Girder | 242 ft | 35,743 | Good |
| SR 303 over Silverdale Way NW No. 082008000000000 | Kitsap County | 8.6 N JCT SR 304 | 1982 | Stringer/Multi-beam or Girder | 112 ft | 35,743 | Good |
| I-5 over Todd RD No. 0008759A0000000 | Cowlitz County | 6.6 N JCT SR 503 | 1971 | Stringer/Multi-beam or Girder | 168 ft | 35,483 | Good |
| I-5 over Todd RD No. 0008759B0000000 | Cowlitz County | 6.6 N JCT SR 503 | 1971 | Stringer/Multi-beam or Girder | 165 ft | 35,483 | Good |
| SR 522 over Lyon Creek No. 002004570000000 | King County | 1.5 E JCT SR 523 | 2015 | Culvert | 27 ft | 35,374 | Good |
| SR 522 over Swamp Creek No. 002003960000000 | King County | 2.1 E JCT SR 104 | 2008 | Stringer/Multi-beam or Girder | 86 ft | 35,060 | Good |
| E Lake Sammamish over N Fork Issaquah Creek No. 0019040B0000000 | King County | 1.3 E JCT SR 900 | 2017 | Culvert | 24 ft | 35,000 | Good |
| Terminal Drive NB over S 170th ST No. 088541000000000 | King County | 1 MI S of SR 518 | 2010 | Box Beam or Girders - Multiple | 406 ft | 35,000 | Good |
| I-90 over E Fk Issaquah Creek No. 0009973D0000000 | King County | 3.0 E JCT SR 900 | 1976 | Stringer/Multi-beam or Girder | 74 ft | 34,797 | Good |
| I-90 over E Fk Issaquah Creek No. 0009973F0000000 | King County | 3.3 E JCT SR 900 | 1976 | Stringer/Multi-beam or Girder | 78 ft | 34,797 | Good |
| I-5 over RR & Reynolds Rd. No. 0018272C0000000 | Lewis County | 1.6 N JCT SR 507 | 2013 | Stringer/Multi-beam or Girder | 401 ft | 34,754 | Good |
| I-5 over Blakeslee JCT RR No. 0018473A0000000 | Lewis County | 1.6 N JCT SR 507 | 2015 | Stringer/Multi-beam or Girder | 329 ft | 34,754 | Good |
| SB I-5 over Prairie Creek No. 0017465B0000000 | Thurston County | 2.4 N Lewis CO | 2010 | Stringer/Multi-beam or Girder | 80 ft | 34,754 | Good |
| SR 512 over Park Ave No. 0007024C0000000 | Pierce County | 2.0 E JCT I-5 | 1963 | Slab | 67 ft | 34,697 | Good |
| SR 164 over R ST No. 000000OT0000000 | King County | 1.2 E JCT SR 18 | 1970 | Box Beam or Girders - Multiple | 161 ft | 34,579 | Good |
| NB Airport Expy over Nae Aoa Tunnel No. 088544000000000 | King County | 0.1 Mile N of S 170th ST | 2010 | Slab | 58 ft | 34,200 | Good |
| I-5 over Elm ST No. 0008287B0000000 | Cowlitz County | 8.8 N JCT SR 503 | 1968 | Stringer/Multi-beam or Girder | 80 ft | 34,170 | Good |
| I-90 over E Fk Issaquah CR No. 0009820A0000000 | King County | 5.6 E JCT SR 900 | 1975 | Stringer/Multi-beam or Girder | 53 ft | 34,108 | Good |
| Ramp I-5 to I-405 over Ramp SR 518 to I-5 No. 0007401I0000000 | King County | 5.2 N JCT SR 516 | 1966 | Stringer/Multi-beam or Girder | 176 ft | 34,031 | Good |
| Fremont Ave N over Access RD Parking No. 087994000000000 | King County | 3400 Fremont Ave N | 2009 | Stringer/Multi-beam or Girder | 706 ft | 34,000 | Good |
| I-5 NB over Fisher Creek No. 0018840A0000000 | Skagit County | 1.8 N Snohomish CO | 2016 | Stringer/Multi-beam or Girder | 110 ft | 33,686 | Good |
| I-5 SB over Fisher Creek No. 0018840B0000000 | Skagit County | 1.8 N Snohomish CO | 2016 | Stringer/Multi-beam or Girder | 110 ft | 33,686 | Good |
| 41st ST NE over I-5 No. 0016991L0000000 | Snohomish County | 4.1 N JCT SR 527 | 2006 | Stringer/Multi-beam or Girder | 158 ft | 33,594 | Good |
| I-5 over Kentucky ST No. 0005642A0000000 | Whatcom County | 3.2 N JCT SR 11 | 1958 | Slab | 130 ft | 33,565 | Good |
| I-5 over Scatter Creek No. 0017465C0000000 | Thurston County | 2.0 N JCT US 12 | 2010 | Slab | 86 ft | 33,313 | Good |
| I-5 over SR 121 & Railroad No. 0017465D0000000 | Thurston County | 6.9 N JCT US 12 | 2010 | Stringer/Multi-beam or Girder | 220 ft | 33,313 | Good |
| SR 525 over Alderwood Mall Pkwy No. 0012036A0000000 | Snohomish County | 0.6 N JCT I-5 | 1983 | Stringer/Multi-beam or Girder | 212 ft | 33,261 | Good |
| I-5 over SR 503 No. 0007064A0000000 | Cowlitz County | 0.4 N Clark CO | 1963 | Stringer/Multi-beam or Girder | 168 ft | 33,156 | Good |
| I-5 over Gages Slough No. 0004795B0000000 | Skagit County | 1.7 N JCT SR 538 | 1954 | Slab | 104 ft | 32,965 | Good |
| I-5 over Gages Slough No. 0004795C0000000 | Skagit County | 1.7 N JCT SR 538 | 1954 | Slab | 104 ft | 32,965 | Good |
| I-405 N-E Ramp over 116th Ave NE No. 0014039B0000000 | King County | JCT SR 520 | 1993 | Stringer/Multi-beam or Girder | 165 ft | 32,900 | Good |
| I-5 over Dillenbaugh Creek No. 0011430A0000000 | Lewis County | 6.8 N JCT SR 508 | 1952 | Slab | 162 ft | 32,739 | Good |
| I-90 over Front Street No. 0008573F0000000 | King County | 1.3 E JCT SR 900 | 1971 | Stringer/Multi-beam or Girder | 230 ft | 32,550 | Good |
| SR 522 over Fales RD No. 0016726A0000000 | Snohomish County | 4.5 E JCT SR 9 | 2006 | Box Beam or Girders - Multiple | 198 ft | 32,507 | Good |
| Argonne Road over Spokane River No. 087205000000000 | Spokane County | 0.6 N Trent Road | 2004 | Box Beam or Girders - Multiple | 339 ft | 32,264 | Good |
| SW Admiral Way over Ravine Fairmount Ave No. 085166000000000 | King County | Fairmount Ave SW | 1949 | Stringer/Multi-beam or Girder | 298 ft | 32,000 | Good |
| SR 542 (sunset Dr) over I-5 No. 0014656A0000000 | Whatcom County | JCT I-5 | 1996 | Box Beam or Girders - Single or Spread | 205 ft | 31,813 | Good |
| SR 18 over M Street No. 0012555A0000000 | King County | 0.6 E JCT SR 164 | 1984 | Stringer/Multi-beam or Girder | 119 ft | 31,748 | Good |
| SR 18 over BNSF RR Spur No. 0012618B0000000 | King County | 0.8 E JCT SR 164 | 1960 | Box Beam or Girders - Multiple | 212 ft | 31,748 | Good |
| College ST over I-5 No. 0013130A0000000 | Thurston County | 4.8 N JCT US 101 | 1988 | Box Beam or Girders - Single or Spread | 203 ft | 31,602 | Good |
| I-90 over Raging River No. 0009823B0000000 | King County | 7.5 E JCT SR 900 | 1975 | Stringer/Multi-beam or Girder | 393 ft | 31,252 | Good |
| SR 167 over S-E Ramp No. 0009075B0000000 | Pierce County | 1.5 N JCT SR 161 | 1973 | Slab | 161 ft | 31,198 | Good |
| SR 167 over S-E Ramp No. 0013042A0000000 | Pierce County | 1.5 N JCT SR 161 | 1987 | Slab | 150 ft | 31,198 | Good |
| US 101 SB over Deschutes Parkway No. 0013045A0000000 | Thurston County | 5.8 E JCT SR 8 | 1987 | Box Beam or Girders - Multiple | 272 ft | 31,153 | Good |
| SR 516 over Wetlands No. 0014178A0000000 | King County | 2.9 E JCT SR 515 | 1994 | Slab | 532 ft | 31,133 | Good |
| SR 99 over SR 104 No. 0009698A0000000 | Snohomish County | JCT SR 104 | 1975 | Stringer/Multi-beam or Girder | 133 ft | 31,082 | Good |
| 61st Ave S over I-405 No. 0006968A0000000 | King County | 0.3 N JCT I-5 | 1962 | Stringer/Multi-beam or Girder | 205 ft | 31,000 | Good |
| SR 181 over Slough No. 0008509A0000000 | King County | 2.8 N JCT SR 516 | 1922 | Tee Beam | 43 ft | 30,762 | Good |
| SR 181 over Mill Creek No. 0008509B0000000 | King County | 3.0 N JCT SR 516 | 1922 | Tee Beam | 38 ft | 30,762 | Good |
| SR 3 over Chico Creek No. 0019475A0000000 | Kitsap County | 6.1 N JCT SR 304 | 2024 | Box Beam or Girders - Multiple | 221 ft | 30,680 | Good |
| I-90 over E Fk Issaquah Creek No. 0009840B0000000 | King County | 2.2 E JCT SR 900 | 1976 | Stringer/Multi-beam or Girder | 122 ft | 30,622 | Good |
| I-90 over Spokane Bridge RD No. 0009215B0000000 | Spokane County | 9.6 E JCT SR 27 | 1972 | Box Beam or Girders - Multiple | 112 ft | 30,620 | Good |
| I-182 over Yakima River No. 0011950A0000000 | Benton County | 3.6 E JCT I-82 | 1983 | Box Beam or Girders - Multiple | 824 ft | 30,551 | Good |
| I-182 over Yakima River No. 0011950B0000000 | Benton County | 3.6 E JCT I-82 | 1983 | Box Beam or Girders - Multiple | 825 ft | 30,551 | Good |
| I-5 over Dillenbaugh Creek No. 002000860000000 | Lewis County | 3.8 N JCT SR 508 | 1965 | Culvert | 22 ft | 30,397 | Good |
| Freya Street over BNSF Railway No. 088153000000000 | Spokane County | 00.68 N I -90 | 2010 | Stringer/Multi-beam or Girder | 289 ft | 30,397 | Good |
| I-182 over Argent Road No. 0012236B0000000 | Franklin County | 4.8 E Benton CO | 1984 | Stringer/Multi-beam or Girder | 130 ft | 30,320 | Good |
| SR 202 over Evans Creek No. 0017030A0000000 | King County | 1.7 E JCT SR 520 | 2007 | Slab | 70 ft | 30,193 | Good |
| I-182 over N 4th Ave No. 0008422C0000000 | Franklin County | 1.5 E JCT US 395 | 1968 | Stringer/Multi-beam or Girder | 177 ft | 29,585 | Good |
| SR 3 over Erland Point RD No. 0007883B0000000 | Kitsap County | 5.6 N JCT SR 304 | 1966 | Stringer/Multi-beam or Girder | 161 ft | 29,466 | Good |
| 38th ST over I-5 No. 0015935A0000000 | Pierce County | 4.3 N JCT SR 512 | 2001 | Box Beam or Girders - Single or Spread | 324 ft | 29,024 | Good |
| SR 520 over Lake Washington No. 0018066B0000000 | King County | 2.9 E JCT SR 513 | 2016 | Segmental Box Girder | 818 ft | 28,957 | Good |
| SR 520 over Lake Washington No. 0018066C0000000 | King County | 2.9 E JCT SR 513 | 2016 | Segmental Box Girder | 820 ft | 28,957 | Good |
| SR 99 over City Streets & Railroad No. 0017847A0000000 | King County | 3.3 N JCT SR 509 | 2011 | Stringer/Multi-beam or Girder | 964 ft | 28,886 | Good |
| SR 99 over Terrain No. 0017847B0000000 | King County | 3.3 N JCT SR 509 | 2011 | Stringer/Multi-beam or Girder | 951 ft | 28,886 | Good |
| SR 99 over SR 519 (atlantic St)/Rr No. 0017847C0000000 | King County | 3.5 N JCT SR 509 | 2011 | Stringer/Multi-beam or Girder | 677 ft | 28,886 | Good |
| Spanaway Loop RD S over Clover Creek No. 086064000000000 | Pierce County | 1.0 S JCT SR 512 | 1993 | Slab | 39 ft | 28,600 | Good |
| SR 202 over SR 522 No. 0013494A0000000 | King County | JCT SR 522 | 1989 | Box Beam or Girders - Multiple | 265 ft | 28,216 | Good |
| SR 18 over Green River No. 0014354B0000000 | King County | 2.5 E JCT SR 164 | 1995 | Stringer/Multi-beam or Girder | 406 ft | 28,147 | Good |
| SR 18 Eastbound over Soosette Creek No. 0014776A0000000 | King County | 4.7 E JCT SR 164 | 1997 | Stringer/Multi-beam or Girder | 340 ft | 28,147 | Good |
| SR 18 Westbound over Soosette Creek No. 0014776B0000000 | King County | 4.7 E JCT SR 164 | 1997 | Stringer/Multi-beam or Girder | 360 ft | 28,147 | Good |
| SR 3 over Chico Way NW No. 0008976A0000000 | Kitsap County | 6.3 N JCT SR 304 | 1971 | Stringer/Multi-beam or Girder | 208 ft | 28,125 | Good |
| SR 3 over Chico Way NW No. 0008976B0000000 | Kitsap County | 6.3 N JCT SR 304 | 1971 | Stringer/Multi-beam or Girder | 208 ft | 28,125 | Good |
| Sullivan RD (sb) over Union Pacific RR No. 081264000000000 | Spokane County | 1.1 S Trent Road | 1967 | Stringer/Multi-beam or Girder | 121 ft | 28,100 | Good |
| Sullivan Road (nb) over Union Pacific RR No. 081416000000000 | Spokane County | 1.1 S Trent Road | 1973 | Stringer/Multi-beam or Girder | 114 ft | 28,100 | Good |
| Lakemont Blvd. SE over Coal Creek No. 089516000000000 | King County | .6 S Forest Drive SE | 2024 | Tee Beam | 48 ft | 28,015 | Good |
| SR 9 over SR 522 No. 0014810A0000000 | Snohomish County | JCT SR 522 | 1997 | Stringer/Multi-beam or Girder | 367 ft | 28,001 | Good |
| N-N Ramp over SR 515 No. 0018811A0000000 | King County | JCT SR 515 | 2017 | Stringer/Multi-beam or Girder | 176 ft | 27,969 | Good |
| S-S Ramp over SR 167 Ramp No. 0016145A0000000 | King County | 1.3 N JCT SR 181 | 2002 | Stringer/Multi-beam or Girder | 505 ft | 27,736 | Good |
| SR 516 over Big Soos Creek No. 0014178B0000000 | King County | 3.7 E JCT SR 515 | 1994 | Stringer/Multi-beam or Girder | 100 ft | 27,719 | Good |
| 88th Street NE over Quilceda CR No. 0014655B0000000 | Snohomish County | 1.6 N JCT SR 528 | 1996 | Stringer/Multi-beam or Girder | 400 ft | 27,672 | Good |
| SR 16 over Sidney Road No. 0010602B0000000 | Kitsap County | 7.6 N Pierce CO | 1977 | Stringer/Multi-beam or Girder | 300 ft | 27,637 | Good |
| SR 16 over Sidney Road No. 0010602C0000000 | Kitsap County | 7.6 N Pierce CO | 1977 | Stringer/Multi-beam or Girder | 300 ft | 27,637 | Good |
| SR 16 NB over Tremont ST No. 0013025A0000000 | Kitsap County | 8.3 N Pierce CO | 1988 | Stringer/Multi-beam or Girder | 133 ft | 27,637 | Good |
| SR 16 SB over Tremont ST No. 0013025B0000000 | Kitsap County | 8.3 N Pierce CO | 1988 | Stringer/Multi-beam or Girder | 133 ft | 27,637 | Good |
| SR 18 over Bnrr Auburn-Blk Diamond No. 0006068B0000000 | King County | 2.3 E JCT SR 164 | 1959 | Stringer/Multi-beam or Girder | 307 ft | 27,343 | Good |
| SR 18 over Bnrr Auburn-Blk Diamond No. 0014354A0000000 | King County | 2.3 E JCT SR 164 | 1995 | Stringer/Multi-beam or Girder | 305 ft | 27,343 | Good |
| NB SR 16 over Burley-Ollala RD No. 0017550A0000000 | Kitsap County | 2.0 N Pierce CO | 2009 | Slab | 76 ft | 27,161 | Good |
| SB SR 16 over Burley-Ollala RD No. 0017550B0000000 | Kitsap County | 2.0 N Pierce CO | 2009 | Slab | 76 ft | 27,161 | Good |
| I-5 over Kelso Ave (old SR 431) No. 0010495A0000000 | Cowlitz County | 0.9 N JCT SR 4 | 1979 | Stringer/Multi-beam or Girder | 125 ft | 27,119 | Good |
| I-5 over Kelso Ave (old SR 431) No. 0010495B0000000 | Cowlitz County | 0.9 N JCT SR 4 | 1980 | Stringer/Multi-beam or Girder | 140 ft | 27,119 | Good |
| 405 N-E Ramp over 116th Ave NE No. 0017726C0000000 | King County | 3.8 N JCT I-90 | 2011 | Stringer/Multi-beam or Girder | 121 ft | 27,000 | Good |
| Redmond Way over 154th Ave NE No. 002003650000000 | King County | 2.5 MI E JCT I-405 | 1992 | Stringer/Multi-beam or Girder | 86 ft | 27,000 | Good |
| SR 16 over N-W Ramp No. 0010280B0000000 | Pierce County | JCT SR 302 | 1977 | Stringer/Multi-beam or Girder | 208 ft | 26,993 | Good |
| SR 16 over Purdy Creek No. 0019763A0000000 | Pierce County | 1.8 N JCT SR 302 | 2023 | Stringer/Multi-beam or Girder | 206 ft | 26,993 | Good |
| SR 16 over Purdy Creek No. 0019763B0000000 | Pierce County | 1.8 N JCT SR 302 | 2023 | Stringer/Multi-beam or Girder | 206 ft | 26,993 | Good |
| Ramp over Railroad No. 002005550000000 | King County | JCT SR 202 | 2023 | Stringer/Multi-beam or Girder | 54 ft | 26,910 | Good |
| SR 161 over SR 512 N-W Ramp No. 0009010A0000000 | Pierce County | 25.8 N JCT SR 7 | 1971 | Stringer/Multi-beam or Girder | 278 ft | 26,878 | Good |
| SR 515 over Garrison Creek No. 0014077A0000000 | King County | 2.1 N JCT SR 516 | 1993 | Stringer/Multi-beam or Girder | 160 ft | 26,777 | Good |
| SR 520 over 108th Ave NE No. 0007839B0000000 | King County | 5.2 E JCT SR 513 | 1966 | Box Beam or Girders - Multiple | 271 ft | 26,760 | Good |
| SR 520 over 108th Ave NE No. 0017963B0000000 | King County | 5.2 E JCT SR 513 | 2013 | Stringer/Multi-beam or Girder | 235 ft | 26,760 | Good |
| SR 520 over Yarrow Creek No. 0017963V0000000 | King County | 5.1 E JCT SR 513 | 2014 | Culvert | 21 ft | 26,760 | Good |
Counties with the most
| King County | 595 | 48% |
| Yakima County | 323 | 58% |
| Pierce County | 267 | 56% |
| Snohomish County | 248 | 50% |
| Lewis County | 209 | 50% |
| Grant County | 195 | 64% |
| Grays Harbor County | 188 | 51% |
| Whitman County | 182 | 52% |
| Whatcom County | 157 | 44% |
| Spokane County | 156 | 50% |