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 |
|---|---|---|---|---|---|
| SR 522 | Washington | Good | 1989 | 80.8 m | 28,216 |
| DES MOINES WAY S | Washington | Fair | 1970 | 71.0 m | 28,203 |
| 8TH AVE | Washington | Fair | 1970 | 53.3 m | 28,203 |
| SOOSETTE CREEK | Washington | Good | 1997 | 109.7 m | 28,147 |
| GREEN RIVER | Washington | Good | 1995 | 123.7 m | 28,147 |
| GREEN RIVER | Washington | Fair | 1959 | 113.1 m | 28,147 |
| SOOSETTE CREEK | Washington | Good | 1997 | 103.6 m | 28,147 |
| CHICO WAY NW | Washington | Good | 1971 | 63.4 m | 28,125 |
| CHICO WAY NW | Washington | Good | 1971 | 63.4 m | 28,125 |
| I-5 & SR 18 | Washington | Fair | 2012 | 733.7 m | 28,117 |
| UNION PACIFIC RR | Washington | Good | 1967 | 36.9 m | 28,100 |
| UNION PACIFIC RR | Washington | Good | 1973 | 34.7 m | 28,100 |
| SPOKANE RIVER | Washington | Fair | 2016 | 135.3 m | 28,100 |
| SPOKANE RIVER | Washington | Fair | 1973 | 133.2 m | 28,100 |
| Coal Creek | Washington | Good | 2024 | 14.5 m | 28,015 |
| SR 522 | Washington | Good | 1997 | 111.9 m | 28,001 |
| SPRINGBROOK CREEK | Washington | Fair | 1987 | 18.6 m | 28,000 |
| ARGO RR YARD | Washington | Poor | 1933 | 530.7 m | 28,000 |
| SR 515 | Washington | Good | 2017 | 53.6 m | 27,969 |
| BNRR (NP) | Washington | Poor | 1959 | 8.2 m | 27,805 |
| SR 167 RAMP | Washington | Good | 2002 | 154.0 m | 27,736 |
| I-205 SB | Washington | Fair | 1959 | 74.1 m | 27,730 |
| I-205 SB | Washington | Fair | 1959 | 73.9 m | 27,730 |
| BIG SOOS CREEK | Washington | Good | 1994 | 30.5 m | 27,719 |
| SPRINGBROOK CREEK | Washington | Fair | 1983 | 8.8 m | 27,713 |
| QUILCEDA CR | Washington | Good | 1996 | 121.9 m | 27,672 |
| SIDNEY ROAD | Washington | Good | 1977 | 91.4 m | 27,637 |
| TREMONT ST | Washington | Good | 1988 | 40.5 m | 27,637 |
| TREMONT ST | Washington | Good | 1988 | 40.5 m | 27,637 |
| SIDNEY ROAD | Washington | Good | 1977 | 91.4 m | 27,637 |
| NP RY | Washington | Fair | 1968 | 139.0 m | 27,462 |
| NP RY | Washington | Fair | 1964 | 139.0 m | 27,462 |
| BNRR AUBURN-BLK DIAMOND | Washington | Good | 1995 | 93.0 m | 27,343 |
| BNRR AUBURN-BLK DIAMOND | Washington | Good | 1959 | 93.6 m | 27,343 |
| BURLEY-OLLALA RD | Washington | Good | 2009 | 23.2 m | 27,161 |
| BURLEY-OLLALA RD | Washington | Good | 2009 | 23.2 m | 27,161 |
| KELSO AVE (OLD SR 431) | Washington | Good | 1980 | 42.7 m | 27,119 |
| KELSO AVE (OLD SR 431) | Washington | Good | 1979 | 38.1 m | 27,119 |
| 116TH AVE NE | Washington | Good | 2011 | 36.9 m | 27,000 |
| SAMMAMISH R | Washington | Fair | 1972 | 60.0 m | 27,000 |
| I-5 | Washington | Fair | 1962 | 73.5 m | 27,000 |
| 154TH AVE NE | Washington | Good | 1992 | 26.2 m | 27,000 |
| PARKING GARAGE | Washington | Poor | 1910 | 359.1 m | 27,000 |
| PURDY CREEK | Washington | Good | 2023 | 62.8 m | 26,993 |
| PURDY CREEK | Washington | Good | 2023 | 62.8 m | 26,993 |
| N-W RAMP | Washington | Fair | 1977 | 76.5 m | 26,993 |
| N-W RAMP | Washington | Good | 1977 | 63.4 m | 26,993 |
| BNSF RR | Washington | Fair | 2004 | 24.7 m | 26,932 |
| RAILROAD | Washington | Good | 2023 | 16.5 m | 26,910 |
| SR 520 | Washington | Fair | 1980 | 66.8 m | 26,907 |
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.