Browse Bridge Database
8,520 bridges in the FHWA National Bridge Inventory in Washington.
National Bridge Inventory Database
Browse 8,520 bridges from the Federal Highway Administration National Bridge Inventory. Filter by state, condition rating, or search by name and location.
| Bridge | Location | Condition | Year Built | Length | ADT |
|---|---|---|---|---|---|
| STREAM | Washington | Fair | 1937 | 23.5 m | 6,441 |
| STREAM | Washington | Good | 1937 | 14.3 m | 6,441 |
| STREAM | Washington | Fair | 1937 | 13.7 m | 6,441 |
| STREAM | Washington | Fair | 1937 | 14.3 m | 6,441 |
| STREAM | Washington | Good | 1988 | 18.6 m | 6,441 |
| STREAM | Washington | Good | 1988 | 18.6 m | 6,441 |
| SLOUGH | Washington | Good | 1989 | 23.5 m | 6,441 |
| BNRR | Washington | Good | 1986 | 108.2 m | 6,441 |
| ROCK CR | Washington | Fair | 1938 | 61.0 m | 6,440 |
| CLARKS CREEK | Washington | Fair | 1970 | 19.2 m | 6,433 |
| SR 543 NORTHBOUND | Washington | Good | 2007 | 19.5 m | 6,423 |
| SR 543 SOUTHBOUND | Washington | Good | 2007 | 15.9 m | 6,423 |
| S FK SKYKOMISH RIVER | Washington | Poor | 1933 | 135.9 m | 6,408 |
| SNIPES CANAL | Washington | Good | 1960 | 11.3 m | 6,400 |
| SQUALLICUM CRK-CMSTP&P R | Washington | Fair | 1937 | 109.1 m | 6,400 |
| I-5 | Washington | Poor | 1966 | 283.5 m | 6,386 |
| JORGENSON SLOUGH | Washington | Fair | 1967 | 18.6 m | 6,375 |
| I-5 S-E RAMP | Washington | Good | 1967 | 16.2 m | 6,374 |
| I-205 | Washington | Fair | 1975 | 84.7 m | 6,361 |
| BNSF RR | Washington | Poor | 1940 | 59.7 m | 6,344 |
| BNSF RAILWAY | Washington | Fair | 2012 | 149.4 m | 6,335 |
| CLOVER CREEK | Washington | Fair | 1937 | 18.0 m | 6,325 |
| I-5 | Washington | Fair | 1974 | 63.4 m | 6,325 |
| ROAD O NE | Washington | Good | 1965 | 39.9 m | 6,317 |
| ROAD O NE | Washington | Good | 1965 | 39.9 m | 6,317 |
| WAPATO CANAL | Washington | Good | 1999 | 26.5 m | 6,299 |
| S.F. STILLAGUAMISH RIVER | Washington | Fair | 1934 | 103.6 m | 6,285 |
| REECER CREEK | Washington | Good | 2011 | 32.3 m | 6,280 |
| MILL CREEK | Washington | Fair | 1949 | 18.3 m | 6,272 |
| MEYDENBAUER BEACH PARK | Washington | Good | 2002 | 80.8 m | 6,267 |
| MAPLE STREET | Washington | Poor | 1958 | 20.4 m | 6,261 |
| MAPLE STREET | Washington | Poor | 1958 | 21.0 m | 6,261 |
| I-82 | Washington | Fair | 1982 | 70.7 m | 6,258 |
| BNSF RR | Washington | Good | 2023 | 46.6 m | 6,253 |
| GERLACH RD | Washington | Good | 2012 | 33.2 m | 6,253 |
| FAIRVIEW RD | Washington | Good | 2012 | 44.2 m | 6,253 |
| BNSF RR | Washington | Good | 2015 | 42.7 m | 6,253 |
| FAIRVIEW RD | Washington | Good | 2009 | 44.2 m | 6,253 |
| LINCOLN RD | Washington | Good | 2012 | 28.7 m | 6,253 |
| GERLACH RD | Washington | Good | 2008 | 33.2 m | 6,253 |
| BNSF RR | Washington | Good | 2015 | 48.9 m | 6,253 |
| BNSF RR | Washington | Good | 2009 | 68.0 m | 6,253 |
| I-90 | Washington | Fair | 1964 | 59.7 m | 6,241 |
| WANITY SLOUGH | Washington | Good | 1948 | 20.7 m | 6,219 |
| WANITY SLOUGH | Washington | Poor | 1964 | 22.6 m | 6,219 |
| LATERAL 3 IRR. CANAL | Washington | Good | 1965 | 9.1 m | 6,219 |
| SOATON CREEK | Washington | Good | 2003 | 10.7 m | 6,217 |
| COLUMBIA RIVER | Washington | Fair | 1962 | 782.4 m | 6,212 |
| WELLINGTON AVE | Washington | Good | 1971 | 50.0 m | 6,209 |
| Unnamed Stream | Washington | Good | 2022 | 6.6 m | 6,201 |
Frequently Asked Questions
The National Bridge Inventory (NBI) is a federal database maintained by the Federal Highway Administration containing inspection data for all bridges on public roads in the U.S. with a span of more than 20 feet. Bridge owners must inspect each structure at least every 24 months.
ADT stands for Average Daily Traffic, the average number of vehicles crossing the bridge per day. Bridges are sorted by ADT by default because high-traffic bridges in poor condition pose the greatest risk to the most people.
Yes. Use the search field above to find bridges by name, location, or features crossed. You can also combine the search with state and condition filters to narrow your results.