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 |
|---|---|---|---|---|---|
| MILL CREEK | Washington | Good | 2004 | 24.1 m | 350 |
| LITTLE SOOS CREEK | Washington | Good | 2006 | 16.5 m | 350 |
| STONEY CREEK | Washington | Good | 2007 | 13.4 m | 350 |
| Windchester Creek | Washington | Good | 1999 | 6.4 m | 350 |
| COAL CREEK | Washington | Good | 2023 | 17.4 m | 350 |
| RAILROAD | Washington | Fair | 1952 | 29.3 m | 349 |
| POTHOLES EAST CANAL | Washington | Good | 2023 | 20.1 m | 349 |
| WILDCAT CREEK | Washington | Fair | 1980 | 42.7 m | 347 |
| DRY CREEK | Washington | Fair | 1977 | 12.2 m | 347 |
| HARRIS CREEK | Washington | Fair | 1917 | 9.8 m | 347 |
| IRRIGATION LATERAL | Washington | Fair | 1952 | 8.2 m | 346 |
| OVERFLOW CHANNEL | Washington | Fair | 1981 | 16.2 m | 345 |
| S FORK SKYKOMISH RIVER | Washington | Fair | 1957 | 77.7 m | 343 |
| SOUTH FORK ROCK CREEK | Washington | Fair | 1964 | 11.3 m | 343 |
| WEST FORK HOQUIAM RIVER | Washington | Good | 1976 | 27.7 m | 342 |
| ESQUATZEL DIVERSION CANA | Washington | Good | 1964 | 21.3 m | 341 |
| GLADE CREEK | Washington | Good | 1977 | 8.5 m | 340 |
| MILL CREEK | Washington | Poor | 1953 | 36.6 m | 340 |
| COAL CREEK | Washington | Good | 2017 | 10.1 m | 340 |
| KID CANAL | Washington | Good | 1981 | 11.9 m | 339 |
| JONES CR | Washington | Fair | 1951 | 9.4 m | 338 |
| AHTANUM CREEK N. FORK | Washington | Good | 1974 | 10.7 m | 338 |
| GOAT CREEK | Washington | Fair | 1971 | 9.1 m | 338 |
| NORTH NEMAH RIVER | Washington | Good | 2005 | 33.5 m | 338 |
| PATTERSON CREEK | Washington | Good | 2008 | 11.3 m | 338 |
| COLVILLE RIVER | Washington | Fair | 1967 | 18.8 m | 337 |
| JOHNSON CR | Washington | Good | 2004 | 7.3 m | 337 |
| TOWN DITCH | Washington | Fair | 1944 | 7.6 m | 336 |
| DRY WASH | Washington | Fair | 1956 | 6.7 m | 336 |
| UNION FLAT CREEK | Washington | Good | 1971 | 36.6 m | 335 |
| DRY HOLLOW | Washington | Good | 1988 | 13.7 m | 335 |
| Cedar Creek | Washington | Good | 2017 | 39.3 m | 335 |
| OLNEY CREEK | Washington | Good | 1990 | 26.2 m | 334 |
| ANDERSON CREEK | Washington | Good | 2009 | 7.3 m | 334 |
| BURLINGTON-NORTHERN RR | Washington | Good | 1985 | 54.9 m | 333 |
| SKOOKUMCHUCK RIVER | Washington | Fair | 1972 | 49.1 m | 333 |
| AHTANUM CREEK | Washington | Good | 1979 | 10.7 m | 333 |
| MILL CREEK | Washington | Good | 1960 | 9.9 m | 332 |
| WILLAPA RIVER NORTH FORK | Washington | Good | 1991 | 73.2 m | 332 |
| LEWIS STREET | Washington | Fair | 1936 | 8.2 m | 332 |
| TEANAWAY RIVER | Washington | Fair | 1966 | 45.7 m | 331 |
| ISSAQUAH CREEK | Washington | Poor | 1951 | 16.5 m | 330 |
| PATTERSON CREEK | Washington | Good | 2008 | 10.1 m | 330 |
| ST.CLAIR LAKE | Washington | Fair | 1963 | 16.5 m | 329 |
| SAVE CREEK | Washington | Good | 2002 | 32.9 m | 329 |
| AHTANUM CREEK N. FORK | Washington | Poor | 1953 | 8.2 m | 328 |
| POTHOLES EAST CANAL | Washington | Fair | 1957 | 18.0 m | 327 |
| SUMAS RIVER | Washington | Fair | 1950 | 9.4 m | 326 |
| CHEHALIS RIVER | Washington | Fair | 1963 | 67.1 m | 325 |
| USIS CANAL | Washington | Fair | 1956 | 6.7 m | 325 |
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.