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 |
|---|---|---|---|---|---|
| WAKETICKEH CREEK | Washington | Fair | 1982 | 21.9 m | 2,639 |
| I-5 | Washington | Good | 1996 | 155.1 m | 2,635 |
| PUGET SOUND | Washington | Fair | 1993 | 33.5 m | 2,635 |
| CHENOIS CREEK | Washington | Good | 2014 | 7.4 m | 2,633 |
| HUMPTULIPS RIVER OVERFLO | Washington | Poor | 1966 | 29.6 m | 2,633 |
| US 101 | Washington | Fair | 1958 | 57.9 m | 2,631 |
| DOCK STREET | Washington | Good | 1986 | 128.0 m | 2,631 |
| MILL CREEK | Washington | Good | 2006 | 11.3 m | 2,631 |
| USIS CANAL | Washington | Good | 1973 | 21.6 m | 2,630 |
| DILLENBAUGH CREEK | Washington | Good | 2009 | 7.9 m | 2,626 |
| S FK TILTON RIVER | Washington | Poor | 1938 | 61.0 m | 2,625 |
| ABANDONED RAILROAD | Washington | Poor | 1944 | 76.5 m | 2,625 |
| MILL CREEK | Washington | Poor | 1908 | 15.5 m | 2,624 |
| NACHES RIVER | Washington | Good | 1996 | 99.7 m | 2,624 |
| Toppenish Creek | Washington | Good | 2008 | 42.7 m | 2,623 |
| BERG SLOUGH | Washington | Poor | 1964 | 18.9 m | 2,622 |
| SWAUK CR | Washington | Fair | 1974 | 81.1 m | 2,617 |
| S FK NOOKSACK RIVER | Washington | Good | 1987 | 115.8 m | 2,617 |
| LAKE WHATCOM RY | Washington | Good | 1989 | 8.5 m | 2,617 |
| CID CANAL | Washington | Good | 1971 | 7.3 m | 2,601 |
| STEELE CREEK | Washington | Fair | 1986 | 31.7 m | 2,601 |
| FARWELL RD | Washington | Good | 2004 | 41.5 m | 2,598 |
| N-E RAMP | Washington | Good | 2011 | 67.1 m | 2,598 |
| UNNAMED TRIBUTARY | Washington | Good | 2024 | 12.7 m | 2,598 |
| RUSSELL CREEK | Washington | Fair | 1920 | 10.4 m | 2,595 |
| FISHTRAP CREEK | Washington | Good | 2009 | 25.6 m | 2,592 |
| Mud Lake Drain Canal | Washington | Good | 2019 | 28.7 m | 2,590 |
| FRIDAY HBR-SAN JUAN CHAN | Washington | Fair | 1968 | 42.1 m | 2,587 |
| FRIDAY HBR-SAN JUAN CHAN | Washington | Good | 2005 | 32.0 m | 2,587 |
| CASCADE CANAL | Washington | Fair | 1930 | 7.3 m | 2,578 |
| WEST FORK HOQUIAM RIVER | Washington | Good | 1985 | 55.2 m | 2,577 |
| SR 16 RAMPS/S SPRAGUE AV | Washington | Good | 1969 | 45.7 m | 2,575 |
| Woodin Creek | Washington | Good | 2018 | 23.2 m | 2,570 |
| SR 518 RAMPS | Washington | Fair | 1970 | 110.6 m | 2,564 |
| DEADWOOD CREEK | Washington | Fair | 1994 | 83.2 m | 2,564 |
| SKAGIT RIVER | Washington | Fair | 1952 | 154.2 m | 2,562 |
| TAHUYA RIVER | Washington | Good | 2009 | 35.4 m | 2,558 |
| S FORK PALOUSE RIVER | Washington | Fair | 1930 | 25.6 m | 2,554 |
| ROCK CREEK | Washington | Fair | 1957 | 46.6 m | 2,553 |
| PASADENA PL NE | Washington | Good | 1962 | 83.2 m | 2,542 |
| I-5 | Washington | Good | 1976 | 121.9 m | 2,540 |
| FISHTRAP CREEK | Washington | Good | 1999 | 11.0 m | 2,536 |
| I-205 | Washington | Fair | 1972 | 107.0 m | 2,529 |
| JONES CREEK | Washington | Good | 1931 | 12.2 m | 2,524 |
| FRONIA CREEK | Washington | Good | 2019 | 7.9 m | 2,524 |
| BURLEY CREEK | Washington | Good | 1993 | 39.6 m | 2,519 |
| CROWN Z MILL WATER CANAL | Washington | Fair | 1960 | 9.1 m | 2,518 |
| ROCK CREEK | Washington | Fair | 1950 | 45.7 m | 2,518 |
| NORTH FORK ROCK CREEK | Washington | Fair | 1956 | 25.9 m | 2,518 |
| SDOT MAINTENANCE YARD | Washington | Good | 1966 | 139.9 m | 2,510 |
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.