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 |
|---|---|---|---|---|---|
| SNOHOMISH R. | Washington | Good | 1983 | 109.7 m | 16,383 |
| THOMAS CREEK | Washington | Fair | 2000 | 38.6 m | 16,353 |
| I-90 RAMP | Washington | Fair | 1958 | 45.7 m | 16,352 |
| LITTLE MINTER CREEK | Washington | Good | 2021 | 6.1 m | 16,302 |
| MINTER CREEK | Washington | Good | 2020 | 48.2 m | 16,302 |
| SNOHOMISH RIVER | Washington | Poor | 1927 | 816.9 m | 16,286 |
| SNOHOMISH RIVER | Washington | Poor | 1954 | 751.3 m | 16,286 |
| SR 529/E MARINE VIEW DR | Washington | Good | 1955 | 19.5 m | 16,286 |
| SR 529/E MARINE VIEW DR | Washington | Good | 1955 | 19.5 m | 16,286 |
| SR 305 | Washington | Good | 1993 | 38.1 m | 16,274 |
| SR 305 | Washington | Good | 1993 | 41.1 m | 16,274 |
| PEDESTRAIN TRAIL | Washington | Fair | 1957 | 74.1 m | 16,274 |
| I-5 | Washington | Good | 2011 | 53.6 m | 16,270 |
| SR 16 | Washington | Good | 1984 | 69.5 m | 16,262 |
| RAVINE | Washington | Fair | 1998 | 30.2 m | 16,261 |
| HILL SIDE | Washington | Fair | 1998 | 256.3 m | 16,261 |
| SR 202 BNRR | Washington | Good | 2007 | 132.6 m | 16,261 |
| MEADOW CREEK | Washington | Good | 2008 | 43.9 m | 16,214 |
| I-90 | Washington | Fair | 1956 | 36.0 m | 16,203 |
| I-90 | Washington | Good | 1978 | 36.0 m | 16,203 |
| YAKIMA RIVER | Washington | Fair | 1967 | 206.0 m | 16,152 |
| YAKIMA RIVER | Washington | Fair | 1967 | 206.0 m | 16,152 |
| SKOOKUMCHUCK RIVER | Washington | Good | 1968 | 38.1 m | 16,139 |
| SIMDARS RD | Washington | Good | 1999 | 42.7 m | 16,083 |
| SR 823 (N 1ST ST) | Washington | Good | 1969 | 64.6 m | 16,048 |
| SR 823 (N 1ST ST) | Washington | Good | 1969 | 64.6 m | 16,048 |
| WISHKAH RIVER | Washington | Poor | 1925 | 110.6 m | 16,009 |
| DUWAMISH RIVER | Washington | Good | 2014 | 280.7 m | 16,000 |
| CASCADE CANAL OVERFLOW | Washington | Fair | 1967 | 97.8 m | 15,974 |
| CASCADE CANAL OVERFLOW | Washington | Fair | 1967 | 97.8 m | 15,974 |
| YAKIMA RIVER | Washington | Fair | 1967 | 181.4 m | 15,974 |
| DRY CREEK | Washington | Poor | 1967 | 118.9 m | 15,974 |
| YAKIMA RIVER | Washington | Fair | 1967 | 181.4 m | 15,974 |
| DRY CREEK | Washington | Poor | 1967 | 118.9 m | 15,974 |
| PARADISE CREEK | Washington | Fair | 1985 | 11.3 m | 15,937 |
| S FORK PALOUSE RIVER | Washington | Good | 1992 | 27.4 m | 15,937 |
| I-5 | Washington | Good | 1963 | 88.4 m | 15,928 |
| SR 99 NB SR 99 NB/RAMP | Washington | Good | 2015 | 54.6 m | 15,919 |
| FLETT CREEK | Washington | Good | 1972 | 13.1 m | 15,914 |
| BRICKYARD CREEK | Washington | Good | 2000 | 16.5 m | 15,887 |
| DEER CREEK | Washington | Good | 1957 | 21.6 m | 15,878 |
| NOOKSACK R OVERFLOW | Washington | Good | 2009 | 7.6 m | 15,862 |
| NOOKSACK R OVERFLOW | Washington | Good | 2009 | 7.6 m | 15,862 |
| SR 524 E-S I-5 S-E | Washington | Good | 1999 | 74.4 m | 15,848 |
| SALMON CREEK | Washington | Good | 1994 | 33.5 m | 15,818 |
| CRANBERRY CREEK | Washington | Fair | 1957 | 21.6 m | 15,815 |
| JOHNS CREEK | Washington | Fair | 1948 | 25.0 m | 15,751 |
| GREEN RIVER | Washington | Fair | 1968 | 57.9 m | 15,698 |
| WILSON CREEK | Washington | Fair | 1967 | 36.0 m | 15,658 |
| WILSON CREEK | Washington | Poor | 1967 | 36.0 m | 15,658 |
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.