Thurston County, Washington bridges
Thurston County has 199 bridges and culverts in the National Bridge Inventory, the oldest built in 1915. 2 (1%) are rated poor. The most common type is stringer/multi-beam or girder (33%).
- Bridges
- 199
- Good
- 59%
- Fair
- 40%
- Poor
- 1%
- 2 bridges
- Average age
- 46 yrs
- Posted or closed
- 7
Map of bridges in Thurston County
Green good, amber fair, red poor. Click a marker for details.Search bridges in Thurston County
Type at least two characters, or pick a condition or type, to search every bridge in the county.
Condition
Good59%(118)
Fair40%(79)
Poor1%(2)
When they were built
Busiest
- I-5 over Owr N RRFair69,477 vehicles/day
- I-5 over Henderson BlvdGood69,477 vehicles/day
- I-5 over Nisqually RiverFair62,815 vehicles/day
- I-5 over Nisqually RiverFair62,815 vehicles/day
- US 101 NB over I-5 Ramps StreetGood62,306 vehicles/day
Longest
- Fair
- Good
- Good
- Fair
- Fair
Oldest
- Boston Street over Deschutes RiverFairBuilt 1915
- Old HWY 99 SW over Scatter CreekFairBuilt 1923
- Old HWY 99 SW over Scatter CreekFairBuilt 1923
- 183rd SW over Overflow ChannelFairBuilt 1924
- US 12 over Scatter CreekFairBuilt 1926
All bridges in Thurston County
Busiest first · showing 1–199 of 199| Bridge | Location | Built | Type | Length | Daily traffic | Condition |
|---|---|---|---|---|---|---|
| I-5 over Owr N RR No. 0005285A0000000 | 1.0 N JCT US 101 | 1957 | Slab | 63 ft | 69,477 | Fair |
| I-5 over Henderson Blvd No. 0005366A0000000 | 1.2 N JCT US 101 | 1957 | Box Beam or Girders - Multiple | 87 ft | 69,477 | Good |
| I-5 over Nisqually River No. 0002069A0000000 | 2.9 N JCT SR 510 | 1937 | Truss - Thru | 447 ft | 62,815 | Fair |
| I-5 over Nisqually River No. 0008116A0000000 | 2.9 N JCT SR 510 | 1967 | Truss - Thru | 431 ft | 62,815 | Fair |
| US 101 NB over I-5 Ramps Street No. 0013384A0000000 | 5.8 E JCT SR 8 | 1990 | Box Beam or Girders - Single or Spread | 415 ft | 62,306 | Good |
| I-5 over Pacific Ave No. 0005455A0000000 | 3.4 N JCT US 101 | 1957 | Box Beam or Girders - Multiple | 351 ft | 59,814 | Fair |
| I-5 over Linwood Ave No. 0004887A0000000 | 4.0 N JCT SR 121 | 1955 | Slab | 53 ft | 51,489 | Good |
| I-5 over Mcallister CR No. 0008100E0000000 | 2.2 N JCT SR 510 | 1968 | Stringer/Multi-beam or Girder | 272 ft | 50,433 | Fair |
| I-5 over Mcallister Creek No. 0008100F0000000 | 2.2 N JCT SR 510 | 1968 | Stringer/Multi-beam or Girder | 272 ft | 50,433 | Fair |
| I-5 over Nisqually Overflow No. 0008100J0000000 | 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 | 2.7 N JCT SR 510 | 1982 | Stringer/Multi-beam or Girder | 200 ft | 50,433 | Fair |
| I-5 over Martin Way No. 0008100A0000000 | 5.0 N JCT US 101 | 1967 | Stringer/Multi-beam or Girder | 276 ft | 49,562 | Fair |
| I-5 over Martin Way No. 0008100B0000000 | 5.0 N JCT US 101 | 1967 | Stringer/Multi-beam or Girder | 282 ft | 49,562 | Fair |
| I-5 over Capitol Lake No. 0005090A0000000 | 0.5 N JCT US 101 | 1956 | Box Beam or Girders - Multiple | 392 ft | 49,410 | Good |
| I-5 over Deschutes Parkway No. 0005129A0000000 | 5.0 N JCT SR 121 | 1956 | Box Beam or Girders - Multiple | 118 ft | 49,410 | Fair |
| US 101 over Percival CR & Bnrr No. 0014272A0000000 | 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 | 4.5 S JCT SR 8 | 1995 | Stringer/Multi-beam or Girder | 354 ft | 37,858 | Fair |
| NB I-5 over Prairie Creek No. 0017465A0000000 | 2.4 N Lewis CO | 2009 | Stringer/Multi-beam or Girder | 77 ft | 34,754 | Fair |
| SB I-5 over Prairie Creek No. 0017465B0000000 | 2.4 N Lewis CO | 2010 | Stringer/Multi-beam or Girder | 80 ft | 34,754 | Good |
| I-5 over Scatter Creek No. 0017465C0000000 | 2.0 N JCT US 12 | 2010 | Slab | 86 ft | 33,313 | Good |
| I-5 over SR 121 & Railroad No. 0017465D0000000 | 6.9 N JCT US 12 | 2010 | Stringer/Multi-beam or Girder | 220 ft | 33,313 | Good |
| College ST over I-5 No. 0013130A0000000 | 4.8 N JCT US 101 | 1988 | Box Beam or Girders - Single or Spread | 203 ft | 31,602 | Good |
| US 101 SB over Deschutes Parkway No. 0013045A0000000 | 5.8 E JCT SR 8 | 1987 | Box Beam or Girders - Multiple | 272 ft | 31,153 | Good |
| US 101 over Perry CR No. 0005728A0000000 | 0.6 S JCT SR 8 | 1957 | Box Beam or Girders - Multiple | 102 ft | 26,624 | Fair |
| US 101 over Perry CR No. 0005728B0000000 | 0.6 S JCT SR 8 | 1958 | Box Beam or Girders - Multiple | 102 ft | 26,624 | Good |
| Cooper Point Road over Percival Creek and Bnrr No. 085039000000000 | 0.1 N Evergreen DR | 1986 | Stringer/Multi-beam or Girder | 485 ft | 24,550 | Fair |
| US 101 over Black Lake Blvd No. 0014272C0000000 | 3.9 S JCT SR 8 | 1995 | Box Beam or Girders - Multiple | 191 ft | 24,066 | Fair |
| US 12 over Cmstpp RR No. 0017998A0000000 | 7.7 E Grays Hbr CO | 2011 | Stringer/Multi-beam or Girder | 84 ft | 23,512 | Good |
| Cooper Pt RD over US 101 No. 0009808A0000000 | 5.0 E JCT SR 8 | 1976 | Stringer/Multi-beam or Girder | 166 ft | 22,706 | Good |
| SR 507 over Centralia Power Canal No. 000000RG0000000 | 2.3 N JCT SR 510 | 1954 | Culvert | 33 ft | 22,357 | Good |
| SR 507 over Nisqually River No. 0013055A0000000 | 2.4 N JCT SR 510 | 1987 | Stringer/Multi-beam or Girder | 284 ft | 22,357 | Fair |
| US 101 over Mud Bay No. 0005677A0000000 | 1.3 S JCT SR 8 | 1958 | Slab | 290 ft | 21,984 | Fair |
| US 101 over Mud Bay No. 0005677B0000000 | 1.3 S JCT SR 8 | 1958 | Slab | 290 ft | 21,984 | Fair |
| Trosper RD over I-5 No. 0013692A0000000 | 3.5 N JCT SR 121 | 1991 | Box Beam or Girders - Single or Spread | 242 ft | 21,420 | Fair |
| W 4th Avenue over Budd Inlet W. Bay & Bnrr No. 087279000000000 | 4th Avenue | 2004 | Box Beam or Girders - Single or Spread | 749 ft | 20,060 | Good |
| W 4th Avenue over Fill Slope No. 087504000000000 | 4th Avenue | 2004 | Box Beam or Girders - Single or Spread | 140 ft | 20,060 | Fair |
| 5th Ave over Capitol Lake No. 087387000000000 | 1.2 N I-5 | 1948 | Tee Beam | 82 ft | 19,640 | Fair |
| Martin Way East over Mc Allister Creek No. 086522000000000 | .23 M SW of Nisqually Cu | 2000 | Slab | 118 ft | 17,895 | Fair |
| Martin Way E over Slough No. 086523000000000 | .19 M SW of Nisqually Cut | 2000 | Slab | 118 ft | 17,895 | Good |
| SR 510 (marvin Rd) over I-5 No. 0015774A0000000 | JCT I-5 | 2001 | Box Beam or Girders - Multiple | 212 ft | 16,938 | Good |
| W 5th Avenue over Bnrr No. 085227000000000 | 5th Avenue | 1958 | Slab | 142 ft | 16,790 | Fair |
| US 12 over I-5 No. 0017998B0000000 | 7.7 E Grays Hbr CO | 2011 | Tee Beam | 176 ft | 16,270 | Good |
| Lilly Road over I-5 No. 0013197A0000000 | 3.8 N JCT US 101 | 1988 | Box Beam or Girders - Single or Spread | 219 ft | 15,200 | Good |
| SR 507 over Tacoma Rail RR No. 0012179A0000000 | 1.8 N JCT SR 510 | 1982 | Stringer/Multi-beam or Girder | 159 ft | 15,046 | Fair |
| SR 507 over Yelm Creek No. 0013004A0000000 | 1.2 N JCT SR 510 | 1986 | Slab | 26 ft | 15,046 | Good |
| Capitol Boulevard over Deschutes R. & Owrr&n R. No. 085453000000000 | 00.23 N. E Street | 1936 | Tee Beam | 943 ft | 14,881 | Fair |
| Custer Way over I-5 Deschutes River No. 0004950A0000000 | 4.7 N JCT SR 121 | 1956 | Arch - Deck | 530 ft | 14,308 | Fair |
| Henderson Blvd over Deschutes River No. 079703000000000 | 0.55 Mile S Yelm HWY | 1961 | Box Beam or Girders - Single or Spread | 143 ft | 13,945 | Fair |
| Capitol Blvd over I-5 Ramp No. 0005152A0000000 | 0.7 N JCT US 101 | 1956 | Arch - Deck | 283 ft | 13,767 | Poor |
| Tumwater Blvd over I-5 No. 0012994A0000000 | 2.0 N JCT SR 121 | 1986 | Stringer/Multi-beam or Girder | 198 ft | 13,762 | Good |
| US 101 over Schneider Creek No. 0005738C0000000 | 2.7 S Mason CO | 1958 | Slab | 27 ft | 13,427 | Fair |
| US 101 over Schneider Creek No. 0005738D0000000 | 2.7 S Mason CO | 1958 | Slab | 28 ft | 13,427 | Good |
| US 12 over Scatter Creek No. 0001000C0000000 | 4.5 E Grays Hbr CO | 1926 | Slab | 62 ft | 13,337 | Fair |
| US 12 over Np RY No. 0007406A0000000 | 6.1 E Grays Hbr CO | 1964 | Slab | 261 ft | 13,337 | Good |
| SR 510 over Np RY No. 0008628A0000000 | 3.9 E JCT I-5 | 1970 | Stringer/Multi-beam or Girder | 191 ft | 13,225 | Good |
| SR 510 over BNSF Railroad No. 0008628B0000000 | 4.1 E JCT I-5 | 1970 | Stringer/Multi-beam or Girder | 189 ft | 13,225 | Good |
| Old Pacific HWY over Nisqually River No. 086390000000000 | Pierce CO Line | 1998 | Stringer/Multi-beam or Girder | 325 ft | 13,122 | Good |
| Yelm HWY S.E. over Railroad No. 080067000000000 | Lacey Cily Limit | 1951 | Tee Beam | 183 ft | 12,500 | Fair |
| Mud Bay Road over Mud Bay No. 082314000000000 | 0.20 E JCT SR101 | 1978 | Slab | 208 ft | 12,249 | Good |
| I-5 Ramps over Henderson Blvd UPRR No. 0005295C0000000 | 1.2 N JCT US 101 | 1957 | Box Beam or Girders - Multiple | 275 ft | 12,207 | Good |
| E-S Ramp over S-S Ramp No. 0013384B0000000 | 5.8 E JCT SR 8 | 1990 | Box Beam or Girders - Multiple | 240 ft | 12,190 | Good |
| US 12 over Slough No. 0001000B0000000 | 2.6 E Grays Hbr CO | 1926 | Tee Beam | 45 ft | 11,627 | Fair |
| Sleater-Kinney RD over I-5 No. 0012964A0000000 | 4.3 N JCT US 101 | 1987 | Box Beam or Girders - Multiple | 230 ft | 11,270 | Good |
| Old HWY 99 over Prairie Creek No. 088277000000000 | 1. S JCT I-5 | 2010 | Slab | 63 ft | 11,240 | Good |
| SR 121 / 93rd Ave over I-5 No. 0008271D0000000 | 7.6 E JCT I-5 | 1968 | Stringer/Multi-beam or Girder | 204 ft | 10,892 | Fair |
| Carpenter Road over Lake Lois No. 088919000000000 | 0.26 M N Pac Ave SE | 2014 | Culvert | 24 ft | 10,192 | Good |
| SR 8 over US 101 No. 0005738A0000000 | 10.1 E Grays Hbr CO | 1958 | Box Beam or Girders - Multiple | 186 ft | 10,113 | Good |
| SR 8 over US 101 No. 0005738B0000000 | 10.1 E Grays Hbr CO | 1958 | Box Beam or Girders - Multiple | 186 ft | 10,113 | Good |
| US 12 over Slough No. 0001000A0000000 | 1.5 E Grays Hbr CO | 1926 | Tee Beam | 45 ft | 10,063 | Fair |
| US 12 Moon RD over Slough No. 0015666A0000000 | 1.0 E Grays Hbr CO | 1999 | Culvert | 59 ft | 10,063 | Good |
| Boulevard Road over Trail & Creek No. 083235000000000 | .05 S I5 | 1973 | Stringer/Multi-beam or Girder | 200 ft | 9,640 | Good |
| Steamboat Isl RD over US 101 & Schneider Creek No. 0014577A0000000 | 2.7 S Mason CO | 1995 | Stringer/Multi-beam or Girder | 188 ft | 9,105 | Good |
| I-5 S-E Ramp over I-5 Mainline No. 0008100I0000000 | 2.4 N JCT SR 510 | 1968 | Box Beam or Girders - Multiple | 369 ft | 8,930 | Fair |
| Reservation Road over Rail Road No. 082221000000000 | 0.4 M S Old Pacific HWY | 1993 | Stringer/Multi-beam or Girder | 331 ft | 8,901 | Good |
| 14th Ave over I-5 No. 0012835A0000000 | 1.2 N JCT US 101 | 1986 | Box Beam or Girders - Single or Spread | 170 ft | 8,842 | Good |
| Deschutes Parkway over Percival Creek No. 086561000000000 | 1.2 M N US 101 | 1952 | Tee Beam | 100 ft | 8,500 | Good |
| US 12 over Overflow Channel No. 0012104A0000000 | 0.4 E Grays Hbr CO | 1981 | Slab | 138 ft | 8,498 | Good |
| Boulevard RD over I-5 No. 0012503A0000000 | 2.6 N JCT US 101 | 1984 | Box Beam or Girders - Single or Spread | 189 ft | 8,000 | Fair |
| Old HWY 99 SW over Scatter Creek No. 084398000000000 | 3. NE JCT I5 | 1923 | Slab | 66 ft | 7,789 | Fair |
| Mullen Road over Creek No. 086526000000000 | .7 Mi. W of Marvin RD | 1999 | Slab | 92 ft | 7,703 | Good |
| Boston Street over Deschutes River No. 085452000000000 | 00.10 S. Custer Way | 1915 | Other | 190 ft | 7,400 | Fair |
| Meridian RD over I-5 No. 0008100D0000000 | 1.2 N JCT SR 510 | 1968 | Stringer/Multi-beam or Girder | 280 ft | 7,124 | Good |
| Israel RD over I-5 No. 0013701A0000000 | 2.4 N JCT SR 121 | 1990 | Box Beam or Girders - Single or Spread | 218 ft | 6,934 | Good |
| Plum-N Ramp over Eastside ST SE No. 0005296A0000000 | 1.2 N JCT US 101 | 1957 | Slab | 76 ft | 6,876 | Poor |
| Plum St-N Ramp over I-5 No. 0012835E0000000 | 1.2 N JCT US 101 | 1986 | Box Beam or Girders - Multiple | 270 ft | 6,876 | Good |
| Evergreen Parkway over US 101 No. 0009749A0000000 | 2.4 E JCT SR 8 | 1975 | Box Beam or Girders - Multiple | 706 ft | 6,524 | Good |
| I-5 over Pacific Ave. No. 0013087A0000000 | 3.3 N JCT US 101 | 1988 | Box Beam or Girders - Multiple | 286 ft | 6,469 | Good |
| Littlerock Road over Salmon Creek No. 088678000000000 | 3.0 NW JCT SR 121 | 2014 | Slab | 77 ft | 6,458 | Good |
| Evergreen Parkway over Mud Bay Road No. 0009749B0000000 | 0.2 N JCT US 101 | 1975 | Tee Beam | 211 ft | 6,090 | Fair |
| S-Plum Ramp over Eastside ST SE No. 0005296B0000000 | 1.2 N JCT US 101 | 1957 | Slab | 73 ft | 5,800 | Good |
| Hawks Prairie Road over Woodland Creek No. 084432000000000 | 150 Ft S Johnson Point RD | 1955 | Stringer/Multi-beam or Girder | 61 ft | 5,737 | Fair |
| Old HWY 99 over Scatter Creek No. 087543000000000 | North City Limit Tenino | 2007 | Stringer/Multi-beam or Girder | 115 ft | 5,656 | Good |
| 2nd Ave SW over US 101 No. 0009887A0000000 | 1.2 S JCT SR 8 | 1976 | Stringer/Multi-beam or Girder | 262 ft | 5,490 | Good |
| Wilkensen Road over Centralia Canal No. 082157000000000 | .3 M N of Norpacif RD | 1986 | Stringer/Multi-beam or Girder | 60 ft | 5,357 | Good |
| Nisqually Cutoff over Overflow Channel No. 080616000000000 | .2 E JCT I5 | 1936 | Tee Beam | 92 ft | 5,226 | Fair |
| SR 507 over Deschutes River No. 0002796A0000000 | 15.0 N Lewis CO | 1943 | Stringer/Multi-beam or Girder | 202 ft | 5,190 | Fair |
| SR 507 over Weyerhaeuser RR Vacated No. 0009042A0000000 | 15.7 N Lewis CO | 1971 | Slab | 159 ft | 5,190 | Good |
| Blk-Belmore Rd. over Black Lake Drainage Ditc No. 085972000000000 | N End Black Lk | 1992 | Stringer/Multi-beam or Girder | 60 ft | 5,172 | Good |
| Rw Johnson RD over Black Lake Drain Ditch No. 087138000000000 | 0.11 S 21st Ave | 2003 | Culvert | 28 ft | 5,120 | Fair |
| Old HWY 99 SW over Scatter Creek No. 084133000000000 | West of Tenino near Trac | 1923 | Frame | 66 ft | 5,042 | Fair |
| Carpenter RD over I-5 No. 0008100C0000000 | 6.4 N JCT US 101 | 1967 | Stringer/Multi-beam or Girder | 356 ft | 4,466 | Fair |
| Delphi Road over Dempsey Creek No. 086102000000000 | 2. SW Black Lake | 1995 | Stringer/Multi-beam or Girder | 24 ft | 4,432 | Good |
| I-5 S-W Ramp over Henderson Blvd RR No. 0005295D0000000 | 1.2 N JCT US 101 | 1957 | Tee Beam | 228 ft | 4,197 | Fair |
| Eastside Street over I-5 No. 0013283A0000000 | 1.2 N JCT US 101 | 1988 | Box Beam or Girders - Single or Spread | 182 ft | 4,000 | Good |
| Old HWY 101 over Schneider CR No. 0014577B0000000 | 150 SE of Whittaker RD | 1995 | Culvert | 23 ft | 3,915 | Fair |
| Rich Road over Deschutes River No. 082457000000000 | 0.2 M E of Old HWY 99 | 1981 | Box Beam or Girders - Multiple | 295 ft | 3,843 | Good |
| Rich Road over Spurgeon Creek No. 088546000000000 | 0.61 East of Old HWY 99 | 2012 | Slab | 67 ft | 3,843 | Fair |
| I-5 N-W Ramp over 14th Ave SE No. 0012835B0000000 | 1.2 N JCT US 101 | 1986 | Box Beam or Girders - Multiple | 176 ft | 3,671 | Good |
| Little Rock RD over Beaver Creek No. 0004057B0000000 | 6.9 JCT SR 12 | 1951 | Slab | 137 ft | 3,577 | Good |
| Bald Hills Road over Lackamas Creek No. 087419000000000 | 7.7 M S Baldhills RD | 2006 | Slab | 29 ft | 3,480 | Good |
| Old HWY No. 9 over Prairie Creek No. 081714000000000 | 0.8 M NW Old HWY 99 | 1936 | Frame | 43 ft | 3,433 | Fair |
| I-5 on Ramp over Henderson Blvd No. 0012835D0000000 | 1.2 N JCT US 101 | 1986 | Box Beam or Girders - Multiple | 240 ft | 3,197 | Good |
| Littlerock Rd. over Creek No. 0004057A0000000 | 3.9 N SR 12 | 1951 | Slab | 60 ft | 3,164 | Fair |
| 128th Ave SW over Black River No. 079925000000000 | .23 W of Littlerock RD | 1968 | Slab | 100 ft | 3,047 | Fair |
| 128th Av SW over Unnamed Stream No. 087545000000000 | 0.08 Mile W Littlerock RD | 2007 | Slab | 29 ft | 3,047 | Good |
| Case Road over Beaver Creek No. 080826000000000 | 0.5 M S Maytown RD | 1970 | Slab | 59 ft | 3,040 | Fair |
| SR 507 over Skookumchuck River No. 0009006A0000000 | 0.7 N Lewis CO | 1971 | Stringer/Multi-beam or Girder | 180 ft | 2,894 | Good |
| 183rd SW over Scatter Creek No. 084678000000000 | 0.5 M W of Sargent RD Int | 1949 | Frame | 68 ft | 2,813 | Fair |
| Sargent Road over Scatter Creek No. 084641000000000 | .63 M N of 183rd | 1984 | Slab | 136 ft | 2,812 | Fair |
| SR 121 over Blooms Ditch No. 0018853B0000000 | 4.0 E JCT I-5 | 2016 | Culvert | 27 ft | 2,779 | Good |
| Case Road SW over Scatter Creek No. 084857000000000 | 0.7 M N of 183rd Ave SW | 1965 | Slab | 66 ft | 2,751 | Fair |
| Mclane Delphi Road over Mclane Creek No. 085973000000000 | 50 Yd S of Mckenz RD Intr | 1992 | Stringer/Multi-beam or Girder | 62 ft | 2,686 | Good |
| Delphi Road SW over Mclane Creek No. 085974000000000 | 0.9 M S of SR101 Overpass | 1993 | Stringer/Multi-beam or Girder | 110 ft | 2,686 | Good |
| Delphi RD over US 101 No. 0005396A0000000 | 1.8 E JCT SR 8 | 1958 | Slab | 190 ft | 2,631 | Fair |
| Waldrick Road over Railroad No. 086103000000000 | 00.25E Old HWY 99 | 1995 | Stringer/Multi-beam or Girder | 150 ft | 2,391 | Good |
| SR 121 over Beaver Creek No. 080255000000000 | 0.2 E JCT I-5 | 1955 | Stringer/Multi-beam or Girder | 62 ft | 2,367 | Good |
| 183rd Ave SW over I-5 No. 0008271B0000000 | 1.5 N JCT US 12 | 1968 | Stringer/Multi-beam or Girder | 402 ft | 2,344 | Good |
| 110th Ave SW over Black River No. 083430000000000 | 0.75 W Littlerock RD | 1986 | Slab | 180 ft | 2,339 | Fair |
| I-5 over Mcallister CR No. 0008100G0000000 | 2.2 N JCT SR 510 | 1968 | Slab | 216 ft | 2,200 | Good |
| Vail Road over Deschutes River No. 086260000000000 | 650 Ft N. of Reichel RD | 1997 | Stringer/Multi-beam or Girder | 156 ft | 2,194 | Good |
| I-5 over Mcallister CR No. 0008100H0000000 | 2.2 N JCT SR 510 | 1968 | Slab | 168 ft | 2,163 | Good |
| Waldrick Road over Deschutes River No. 084511000000000 | 2.5 M E of HWY 99 | 1986 | Stringer/Multi-beam or Girder | 150 ft | 1,957 | Good |
| SR 121 over Beaver Creek No. 080123000000000 | 0.6 E JCT I-5 | 1973 | Slab | 56 ft | 1,780 | Good |
| Waddell Creek Rd. over Stoney Creek No. 081935000000000 | 00.3W Delphi RD | 1976 | Slab | 23 ft | 1,531 | Good |
| Independence Road over Chehalis River No. 079721000000000 | Over the Chehalis River | 1976 | Stringer/Multi-beam or Girder | 436 ft | 1,409 | Fair |
| Steilacoom Road over Mcallister Creek No. 082390000000000 | 2.0 M S of I-5 on Ramp | 1964 | Slab | 128 ft | 1,384 | Fair |
| Madrona Beach Road over Perry Creek No. 081544000000000 | 0.6 W Mud Bay RD | 1958 | Box Beam or Girders - Single or Spread | 102 ft | 1,325 | Fair |
| James Road over Overflow Channel No. 080419000000000 | 1. S JCT SR12 | 1985 | Culvert | 26 ft | 1,265 | Good |
| James Road SW over Scatter Creek No. 080935000000000 | 0.46 M W of Denmark RD | 1982 | Slab | 84 ft | 1,265 | Good |
| 143rd Ave S W over Scatter Creek No. 082432000000000 | 0.25 M N Jct. SR 507 | 1987 | Slab | 62 ft | 1,256 | Good |
| Waddell Creek Road over Waddell Creek No. 084611000000000 | 1.24 M N of 128th Ave SW | 1969 | Girder and Floorbeam System | 130 ft | 1,164 | Good |
| Woodard Bay Road over Woodard Bay No. 082518000000000 | 0.6 M E Libby RD | 1958 | Slab | 60 ft | 1,137 | Fair |
| Woodard Bay over Walking Trail No. 082529000000000 | 0.3 M W Shinkle RD | 1958 | Slab | 76 ft | 1,137 | Good |
| Vail Cutoff RD over Deschutes River No. 083547000000000 | 100 Ft W Vail Loop RD | 1956 | Box Beam or Girders - Multiple | 122 ft | 1,079 | Fair |
| 113th Ave SW over I-5 No. 0008271C0000000 | 2.0 N JCT SR 121 | 1968 | Stringer/Multi-beam or Girder | 204 ft | 1,076 | Fair |
| Moon Road over Black River No. 083520000000000 | 1. N JCT SR12 | 1976 | Stringer/Multi-beam or Girder | 203 ft | 1,003 | Fair |
| Steiacoom Road over Hartman Creek No. 086641000000000 | 1 Mile E Duterrow Int | 2001 | Slab | 29 ft | 1,001 | Good |
| Kaiser Road over US 101 No. 0013424A0000000 | 2.6 E JCT SR 8 | 1989 | Box Beam or Girders - Multiple | 202 ft | 1,000 | Good |
| Skookumchuck Road over Skookumchuck River No. 080936000000000 | 2.3 SE JCT SR507 | 1984 | Stringer/Multi-beam or Girder | 150 ft | 981 | Fair |
| Skookumchuck Road over Skookumchuck Overflow No. 086336000000000 | 2.2 SE JCT SR507 | 1996 | Culvert | 33 ft | 981 | Good |
| Military Road over Descutes River No. 081428000000000 | 2. NW JCT SR507 | 1984 | Stringer/Multi-beam or Girder | 150 ft | 911 | Good |
| Independence RD over Stream No. 088275000000000 | 0.55 N of Grays County Li | 2010 | Stringer/Multi-beam or Girder | 106 ft | 888 | Good |
| Cedar Flats Road over Swift Creek No. 087966000000000 | 1.28 M W of Delphi RD | 2008 | Stringer/Multi-beam or Girder | 91 ft | 887 | Good |
| Vail Loop Road over Deschutes River No. 082955000000000 | .5 M. S. of Vail Cut Off | 1982 | Stringer/Multi-beam or Girder | 149 ft | 851 | Good |
| Summit Lake Road over Kennedy Creek No. 081762000000000 | 0.2 M East of SR8 | 1985 | Slab | 47 ft | 671 | Good |
| Jones Road over Salmon Creek No. 089171000000000 | 0.47 M S of 93rd Ave SW | 2020 | Stringer/Multi-beam or Girder | 50 ft | 659 | Good |
| Prather Road SW over Chehalis River No. 083389000000000 | 1.4 M W of Old HWY99 | 1988 | Stringer/Multi-beam or Girder | 366 ft | 620 | Good |
| Park Access RD over East Bay Drive NE No. 085006000000000 | Priest Point Pk | 1972 | Frame | 143 ft | 600 | Good |
| Old HWY 410 over Perry Creek No. 081571000000000 | Parallel SR101 | 1937 | Tee Beam | 98 ft | 587 | Good |
| Gibson Road SW over Scatter Creek No. 084306000000000 | 0.14 Mile North of HWY 99 | 1967 | Stringer/Multi-beam or Girder | 62 ft | 535 | Fair |
| Gate Road over Mima Creek No. 082237000000000 | 3.69 Miles SW 128th Ave | 1972 | Slab | 32 ft | 508 | Good |
| Gate RD over Baker Creek No. 089288000000000 | 0.52 S. of Mima Creek | 2021 | Stringer/Multi-beam or Girder | 28 ft | 508 | Good |
| Endicott Road over Creek No. 083505000000000 | 0.6 M W of Delphi Int. | 1958 | Stringer/Multi-beam or Girder | 38 ft | 458 | Fair |
| Beaver Creek Road over Beaver Creek No. 088935000000000 | 0.88 M from HWY 121 | 2017 | Stringer/Multi-beam or Girder | 40 ft | 430 | Good |
| Pleasant Glade RD over Woodland Creek No. 087081000000000 | 0.85 M E of Sleaterkinney | 2003 | Slab | 50 ft | 420 | Good |
| Hunter Point RD NW over Unamed Creek No. 089020000000000 | 0.25 M W of Steamboat RD | 2018 | Stringer/Multi-beam or Girder | 81 ft | 387 | Good |
| School Land Road over Overflow Channel No. 084863000000000 | 1.5NW Rochester | 1981 | Culvert | 25 ft | 381 | Good |
| Sherman Valley RD over Waddell Creek No. 082176000000000 | 0.75 M N of Waddell CR RD | 1982 | Stringer/Multi-beam or Girder | 70 ft | 352 | Good |
| Sch. Lnd. Rd. Culv over Overflow Channel No. 084865000000000 | 600 W Forstom St. | 1981 | Culvert | 53 ft | 345 | Fair |
| Tono Road over Skookumchuck River No. 079633000000000 | 0.4 M E of HWY 507 | 1972 | Tee Beam | 161 ft | 333 | Fair |
| Peninsula Drive over St.Clair Lake No. 084162000000000 | .1 M NW ST Cl DR | 1963 | Tee Beam | 54 ft | 329 | Fair |
| Johnson Creek Road over Johnson Creek No. 080470000000000 | 1.8 M N Skookumchuck RD | 1977 | Slab | 52 ft | 324 | Fair |
| Johnson Creek Road over Johnson Creek No. 081373000000000 | .4 M N Skookumchuck RD | 1985 | Slab | 40 ft | 324 | Good |
| 183rd SW over Overflow Channel No. 079733000000000 | 0.65 M E of Moon RD | 1924 | Stringer/Multi-beam or Girder | 26 ft | 301 | Fair |
| 188 SW over Overflow Channel No. 080506000000000 | 700 Ft W Marble ST SW | 1981 | Culvert | 30 ft | 291 | Fair |
| Old Military Road over Scatter CR No. 086525000000000 | 0.4 E of JCT 507 | 1999 | Slab | 28 ft | 290 | Good |
| Leitner St. over Scatter Creek No. 084192000000000 | 0.33 M S of 176th Ave SW | 1978 | Slab | 70 ft | 282 | Fair |
| Skookumchuck Road over Skookumchuck River No. 086259000000000 | 5.SE JCT SR507 | 1996 | Stringer/Multi-beam or Girder | 156 ft | 246 | Good |
| Peissner RD over Elbow Lake Creek No. 089172000000000 | Peissner RD at County End | 2020 | Stringer/Multi-beam or Girder | 60 ft | 240 | Good |
| 123rd. S.W. over Black River No. 083428000000000 | 0.37M W of Littlerock RD | 1986 | Slab | 180 ft | 229 | Good |
| 216th Ave SW over I-5 RR No. 0008271A0000000 | 0.8 N Lewis CO | 1968 | Stringer/Multi-beam or Girder | 357 ft | 210 | Good |
| Holmes Isd RD over Long Lake No. 082954000000000 | Over Long Lake | 1962 | Channel Beam | 53 ft | 177 | Fair |
| Connor Road over Skookumchuck River No. 081819000000000 | .03 E JCT SR507 | 1989 | Stringer/Multi-beam or Girder | 245 ft | 152 | Good |
| Steamboat Is. Rd. over Totten Inlet No. 084547000000000 | Steamboat Island | 1982 | Slab | 706 ft | 146 | Fair |
| Flumerfelt Road over Oconner Creek No. 089021000000000 | 0.24 M W of Oconner RD | 2018 | Stringer/Multi-beam or Girder | 36 ft | 140 | Good |
| Thompson Creek Rd. over Thompson Creek No. 081287000000000 | 0.12 M S Skookumchuck RD | 1987 | Slab | 30 ft | 89 | Fair |
| Mcelfresh Road SW over Zeknor Creek No. 086188000000000 | 0.17 M W of Zenkner Vally | 1995 | Slab | 56 ft | 79 | Good |
| 175 TH S.W. over Overflow Channel No. 086337000000000 | 0.6 M W of Moon RD | 1997 | Slab | 42 ft | 77 | Good |
| Park Road over Seasonal Creek No. 002005490000000 | 1.0 Mi. West of SR 121 | 2014 | Slab | 30 ft | 75 | Good |
| Park Road over Creek No. 002005500000000 | 0.8 Mi. West of SR 121 | 2023 | Slab | 39 ft | 75 | Good |
| Noschka Road over Noski Creek No. 088337000000000 | 0.65 Mi. W. of Waddell RD | 2011 | Slab | 42 ft | 51 | Good |
| Barbouillat Street over Overflow No. 086524000000000 | 0.5 West Mima Road | 1999 | Slab | 31 ft | 50 | Good |
| Latigo Street over Spurgeon Creek No. 089323000000000 | 0.15 M S of 89th Ave SE | 2022 | Stringer/Multi-beam or Girder | 57 ft | 40 | Good |
| Case RD Ext over Allen Creek No. 087544000000000 | 0.6 M S of 113th Ave SW | 2007 | Slab | 29 ft | 28 | Good |
| Goebel RD SE over Skookumchuck River No. 081046000000000 | 0.11 M N Skookumchuck RD | 1982 | Channel Beam | 144 ft | 27 | Fair |
| Morningside Drive over Scatter Creek No. 086190000000000 | .2 W JCT SR 507 | 1995 | Slab | 34 ft | 26 | Good |
| Troy Ave SE over Oconner Creek No. 089022000000000 | 125 W of HWY 507 | 2018 | Stringer/Multi-beam or Girder | 56 ft | 20 | Good |
| Meadows Road over Overflow Channel No. 086189000000000 | 0.1 M SW of Prather RD | 1995 | Stringer/Multi-beam or Girder | 208 ft | 12 | Good |
| Reeder Road N over Beaver Creek No. 089204000000000 | .13 M N of Maytown RD | 2021 | Slab | 75 ft | 10 | Good |
Structure types in Thurston County
| Stringer/Multi-beam or Girder | 66 | 33.2% |
| Slab | 62 | 31.2% |
| Box Beam or Girders - Multiple | 23 | 11.6% |
| Tee Beam | 13 | 6.5% |
| Box Beam or Girders - Single or Spread | 12 | 6.0% |
| Culvert | 11 | 5.5% |
| Frame | 4 | 2.0% |
| Truss - Thru | 2 | 1.0% |
| Arch - Deck | 2 | 1.0% |
| Channel Beam | 2 | 1.0% |
| Other | 1 | 0.5% |
| Girder and Floorbeam System | 1 | 0.5% |
Other counties in Washington
- Adams County 187
- Asotin County 28
- Benton County 167
- Chelan County 148
- Clallam County 153
- Clark County 219
- Columbia County 86
- County 000 1
- Cowlitz County 161
- Douglas County 40
- Ferry County 55
- Franklin County 133
- Garfield County 54
- Grant County 304
- Grays Harbor County 371
- Island County 7
- Jefferson County 97
- King County 1,252
- Kitsap County 120
- Kittitas County 313
- Klickitat County 91
- Lewis County 420
- Lincoln County 180
- Mason County 136
- Okanogan County 161
- Pacific County 120
- Pend Oreille County 71
- Pierce County 480
- San Juan County 13
- Skagit County 256
- Skamania County 120
- Snohomish County 500
- Spokane County 309
- Stevens County 75
- Wahkiakum County 37
- Walla Walla County 195
- Whatcom County 355
- Whitman County 349
- Yakima County 557