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 |
|---|---|---|---|---|---|
| SATUS CREEK | Washington | Good | 2021 | 32.0 m | 4,072 |
| FRENCHTOWN ACCESS RD | Washington | Good | 2023 | 17.4 m | 4,072 |
| S FORK CHEHALIS R | Washington | Good | 2009 | 233.2 m | 4,072 |
| NINE MILE HILL ROAD | Washington | Good | 2023 | 17.2 m | 4,070 |
| NINE MILE HILL ROAD | Washington | Good | 2023 | 16.2 m | 4,070 |
| N FK NOOKSACK RIVER | Washington | Fair | 1954 | 125.0 m | 4,066 |
| THOMSEN SLOUGH | Washington | Fair | 1919 | 12.2 m | 4,051 |
| COVILLE CREEK | Washington | Good | 2013 | 8.2 m | 4,048 |
| CHEHALIS RIVER | Washington | Fair | 1958 | 399.3 m | 4,044 |
| I-90 | Washington | Good | 2006 | 40.5 m | 4,037 |
| BN RY | Washington | Good | 1975 | 44.2 m | 4,029 |
| THORN CREEK | Washington | Good | 1941 | 7.9 m | 4,027 |
| COTTONWOOD CREEK | Washington | Good | 1941 | 7.7 m | 4,027 |
| TACOMA RAIL MTN DIV OC | Washington | Fair | 1965 | 34.4 m | 4,025 |
| SOL DUC RIVER | Washington | Fair | 1958 | 79.9 m | 4,018 |
| TERRAIN | Washington | Good | 1967 | 265.8 m | 4,018 |
| ROCK CREEK | Washington | Fair | 1920 | 30.2 m | 4,017 |
| SATUS CREEK | Washington | Good | 2012 | 54.9 m | 4,013 |
| KUSSHI CR | Washington | Poor | 1945 | 18.3 m | 4,013 |
| SATUS CREEK | Washington | Fair | 1975 | 64.0 m | 4,013 |
| SATUS CREEK | Washington | Good | 1992 | 61.9 m | 4,013 |
| SATUS CREEK | Washington | Fair | 1994 | 41.1 m | 4,013 |
| MARIETTA SLOUGH | Washington | Good | 1978 | 32.0 m | 4,009 |
| CHELATCHIE CREEK | Washington | Good | 1953 | 9.4 m | 4,008 |
| CEDAR CREEK | Washington | Good | 1958 | 10.7 m | 4,008 |
| MISSOURI FLAT CREEK | Washington | Good | 1997 | 10.4 m | 4,008 |
| DOCK STREET | Washington | Fair | 1987 | 158.2 m | 4,000 |
| TERRAIN (FUTURE SR 509) | Washington | Good | 2017 | 39.3 m | 4,000 |
| CEMETERY CREEK | Washington | Good | 2000 | 9.8 m | 4,000 |
| Railroad | Washington | Good | 2008 | 64.3 m | 4,000 |
| WIDE HOLLOW CREEK | Washington | Good | 1984 | 19.5 m | 4,000 |
| 16TH AVE W | Washington | Fair | 1991 | 120.4 m | 4,000 |
| I-5 | Washington | Good | 1988 | 55.5 m | 4,000 |
| SR 18 | Washington | Good | 1997 | 100.0 m | 4,000 |
| BUILDING PARKING LOT | Washington | Good | 2003 | 71.3 m | 4,000 |
| TERRAIN | Washington | Fair | 1964 | 226.5 m | 3,999 |
| MILL CREEK | Washington | Good | 1963 | 50.3 m | 3,993 |
| Coleman Creek | Washington | Good | 2020 | 8.2 m | 3,979 |
| Cascade Canal | Washington | Good | 2023 | 15.2 m | 3,979 |
| W-W RAMP | Washington | Good | 2011 | 38.4 m | 3,978 |
| RAILROAD | Washington | Good | 1967 | 88.7 m | 3,978 |
| NBCD | Washington | Good | 1995 | 116.7 m | 3,974 |
| KID CANAL | Washington | Good | 1984 | 8.4 m | 3,957 |
| N-E RAMP | Washington | Good | 1975 | 83.2 m | 3,951 |
| SR 18 | Washington | Fair | 1974 | 100.9 m | 3,951 |
| NORTH FORK CLOVER CREEK | Washington | Good | 2024 | 7.6 m | 3,950 |
| SR 14 | Washington | Fair | 1963 | 90.5 m | 3,950 |
| SKOOKUM CREEK | Washington | Fair | 1952 | 26.5 m | 3,948 |
| COWLITZ RIVER | Washington | Good | 1994 | 228.9 m | 3,938 |
| I-405 | Washington | Fair | 1965 | 32.3 m | 3,937 |
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.