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 |
|---|---|---|---|---|---|
| PORTAGE SLOUGH | Washington | Good | 1997 | 27.4 m | 3,741 |
| DRY CREEK | Washington | Good | 2023 | 35.8 m | 3,740 |
| DRY CREEK | Washington | Good | 2023 | 35.8 m | 3,740 |
| TOUCHET NORTH RD | Washington | Good | 2022 | 19.1 m | 3,740 |
| TOUCHET RIVER | Washington | Good | 2023 | 164.1 m | 3,740 |
| RAILROAD & EAST RIVER ST | Washington | Good | 1996 | 303.9 m | 3,733 |
| OVERFLOW CHANNEL | Washington | Good | 1945 | 20.7 m | 3,728 |
| SMITH CREEK | Washington | Good | 1946 | 25.0 m | 3,728 |
| SOUTH CREEK | Washington | Fair | 1953 | 9.8 m | 3,725 |
| MUCK CREEK | Washington | Good | 2017 | 30.2 m | 3,725 |
| Dungeness River | Washington | Good | 1999 | 133.5 m | 3,724 |
| I-5 | Washington | Fair | 1980 | 85.3 m | 3,721 |
| GOOSE CREEK | Washington | Good | 1931 | 18.9 m | 3,715 |
| SR 18 | Washington | Fair | 2002 | 92.7 m | 3,706 |
| TRIGGER AVE | Washington | Good | 1979 | 43.0 m | 3,705 |
| SO END LAKE STEVENS | Washington | Good | 1995 | 126.3 m | 3,700 |
| I-5 | Washington | Good | 2017 | 87.5 m | 3,700 |
| WHATCOM CREEK | Washington | Poor | 1936 | 17.2 m | 3,700 |
| 15TH ST SW | Washington | Good | 1995 | 145.7 m | 3,700 |
| CHEWUCH RIVER | Washington | Poor | 1961 | 38.1 m | 3,696 |
| RAILROAD | Washington | Good | 1996 | 356.6 m | 3,696 |
| NEWAUKUM CREEK | Washington | Fair | 1927 | 7.3 m | 3,694 |
| NO FORK SKAGIT RIVER | Washington | Fair | 1959 | 221.3 m | 3,693 |
| STILLAGUAMISH RIVER | Washington | Good | 1998 | 71.7 m | 3,693 |
| LITTLE SPOKANE RIVER | Washington | Good | 2012 | 31.7 m | 3,691 |
| N-N RAMP | Washington | Good | 1987 | 155.4 m | 3,690 |
| THUNDER CREEK | Washington | Fair | 1900 | 9.4 m | 3,684 |
| SAMISH RIVER | Washington | Fair | 1947 | 30.8 m | 3,684 |
| PUGET SOUND @ SOUTHWORTH | Washington | Fair | 1957 | 128.3 m | 3,681 |
| PUGET SOUND @ SOUTHWORTH | Washington | Good | 2003 | 32.0 m | 3,681 |
| 14TH AVE SE | Washington | Good | 1986 | 53.6 m | 3,671 |
| SEABECK CREEK | Washington | Good | 2010 | 6.7 m | 3,662 |
| SEABECK CREEK | Washington | Good | 2020 | 18.3 m | 3,657 |
| I-5 | Washington | Good | 2004 | 53.0 m | 3,655 |
| DILLENBAUGH CREEK | Washington | Good | 1955 | 6.7 m | 3,654 |
| BNRR | Washington | Fair | 1994 | 57.9 m | 3,650 |
| WOODS CREEK | Washington | Good | 1990 | 50.3 m | 3,643 |
| USIS CANAL | Washington | Fair | 1939 | 11.9 m | 3,637 |
| SYLVIA CREEK | Washington | Poor | 1935 | 21.3 m | 3,626 |
| GULCH | Washington | Good | 1937 | 65.5 m | 3,619 |
| SP S RY | Washington | Fair | 1936 | 38.4 m | 3,619 |
| LITTLE WHITE SALMON R | Washington | Good | 1994 | 125.0 m | 3,619 |
| NP RY | Washington | Fair | 1967 | 80.5 m | 3,616 |
| YELLOWHAWK CREEK | Washington | Good | 2011 | 8.5 m | 3,610 |
| Log Channel | Washington | Fair | 1961 | 9.2 m | 3,608 |
| FARWELL RD | Washington | Good | 2006 | 41.5 m | 3,602 |
| FARWELL RD | Washington | Good | 2006 | 41.5 m | 3,602 |
| US 2 | Washington | Good | 2011 | 73.2 m | 3,602 |
| US 2 | Washington | Good | 2011 | 73.2 m | 3,602 |
| S 133RD | Washington | Fair | 1997 | 19.5 m | 3,600 |
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.