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 |
|---|---|---|---|---|---|
| WEST VALLEY HWY | Washington | Fair | 1972 | 88.4 m | 47,924 |
| W VALLEY HWY | Washington | Good | 1987 | 88.4 m | 47,924 |
| SPOKANE RIVER | Washington | Good | 1992 | 132.3 m | 47,781 |
| NORTH CREEK | Washington | Good | 2023 | 7.3 m | 47,281 |
| SR 520 | Washington | Fair | 1981 | 99.1 m | 46,948 |
| FUTURE HOV LANES | Washington | Good | 2014 | 86.0 m | 46,602 |
| S TACOMA WAY/STRR/CENTER | Washington | Good | 2011 | 490.4 m | 46,602 |
| I-5 | Washington | Good | 2011 | 323.4 m | 46,602 |
| S TACOMA WAY/STRR/CENTER | Washington | Good | 2013 | 434.3 m | 46,602 |
| 9TH AVE SE | Washington | Good | 1968 | 57.6 m | 46,512 |
| 9TH AVE SE | Washington | Good | 1968 | 54.9 m | 46,512 |
| 228TH ST | Washington | Good | 1968 | 87.5 m | 46,512 |
| 228TH ST | Washington | Fair | 1968 | 83.2 m | 46,512 |
| HANGMAN CREEK | Washington | Fair | 1963 | 372.5 m | 46,335 |
| HANGMAN CREEK | Washington | Fair | 1963 | 372.5 m | 46,335 |
| DUWAMISH RIVER | Washington | Fair | 1996 | 882.4 m | 46,303 |
| ISSAQUAH CREEK | Washington | Good | 1970 | 38.4 m | 46,269 |
| ISSAQUAH CREEK | Washington | Good | 1970 | 38.4 m | 46,269 |
| SR 515 | Washington | Good | 1964 | 65.5 m | 45,853 |
| STILLAGUAMISH R | Washington | Fair | 1971 | 201.5 m | 45,626 |
| STILLAGUAMISH RIVER | Washington | Fair | 1933 | 261.8 m | 45,626 |
| I-205 | Washington | Fair | 1975 | 103.3 m | 45,586 |
| 140TH AVE NE | Washington | Good | 1972 | 64.9 m | 45,466 |
| PEDESTRIAN TRAIL | Washington | Good | 1966 | 60.7 m | 45,466 |
| 130TH AVE NE | Washington | Good | 1970 | 64.0 m | 45,466 |
| 116TH AVE NE | Washington | Fair | 1966 | 47.2 m | 45,466 |
| 130TH AVE NE | Washington | Fair | 1970 | 64.0 m | 45,466 |
| 124 AVE NE - NW RAMP | Washington | Good | 1971 | 61.0 m | 45,466 |
| 120TH AVE NE | Washington | Fair | 1971 | 119.5 m | 45,466 |
| NE 24TH ST | Washington | Fair | 1998 | 100.6 m | 45,466 |
| PEDESTRIAN TRAIL | Washington | Fair | 1969 | 63.4 m | 45,466 |
| NORTHUP WAY | Washington | Good | 1971 | 114.6 m | 45,466 |
| 124 AVE NE - NW RAMP | Washington | Fair | 1971 | 77.7 m | 45,466 |
| NE 24TH ST | Washington | Good | 1972 | 100.3 m | 45,466 |
| 116TH AVE NE | Washington | Fair | 1966 | 50.3 m | 45,466 |
| 140TH AVE NE | Washington | Fair | 1972 | 60.7 m | 45,466 |
| SR 18 | Washington | Good | 1973 | 102.1 m | 45,408 |
| SR 18 | Washington | Good | 1973 | 104.5 m | 45,408 |
| S 170TH ST | Washington | Fair | 1972 | 45.1 m | 45,000 |
| WOODLAND AVE | Washington | Good | 1971 | 47.9 m | 44,771 |
| FRUITLAND AVE | Washington | Good | 1971 | 47.9 m | 44,771 |
| WOODLAND AVE | Washington | Good | 1971 | 47.9 m | 44,771 |
| FRUITLAND AVE | Washington | Good | 1971 | 47.9 m | 44,771 |
| TACOMA NARROWS | Washington | Good | 2007 | 1,697.7 m | 44,741 |
| TACOMA NARROWS | Washington | Fair | 1949 | 1,822.1 m | 44,741 |
| STEWART ST E | Washington | Good | 1987 | 56.4 m | 44,727 |
| STEWART RD SE | Washington | Good | 1977 | 56.4 m | 44,727 |
| I-5 | Washington | Fair | 1963 | 98.5 m | 44,483 |
| ISSAQUAH CREEK | Washington | Fair | 1996 | 45.7 m | 44,000 |
| I-5 | Washington | Fair | 1987 | 104.9 m | 43,898 |
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.