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 |
|---|---|---|---|---|---|
| PSPL CO CANAL | Washington | Fair | 1949 | 35.4 m | 22,099 |
| BURNT BRIDGE CREEK | Washington | Good | 1982 | 85.3 m | 22,042 |
| CEDAR RIVER | Washington | Fair | 1950 | 39.6 m | 22,007 |
| CEDAR RIVER | Washington | Good | 1991 | 74.4 m | 22,007 |
| TIBBETTS CR | Washington | Good | 1975 | 9.0 m | 22,004 |
| SOUND TRANSIT TUNNEL | Washington | Fair | 1910 | 87.5 m | 22,000 |
| DEARBORN ST | Washington | Fair | 1917 | 150.9 m | 22,000 |
| CEDAR R | Washington | Fair | 1940 | 47.9 m | 22,000 |
| A ST SW | Washington | Fair | 2002 | 21.0 m | 22,000 |
| BNSF RR | Washington | Fair | 2002 | 37.2 m | 22,000 |
| MUD BAY | Washington | Fair | 1958 | 88.4 m | 21,984 |
| MUD BAY | Washington | Fair | 1958 | 88.4 m | 21,984 |
| KELSEY CREEK | Washington | Good | 2018 | 8.5 m | 21,950 |
| COWLITZ RIVER | Washington | Fair | 1953 | 231.6 m | 21,828 |
| COWLITZ RIVER | Washington | Poor | 1953 | 231.6 m | 21,828 |
| I-5 | Washington | Good | 1968 | 80.8 m | 21,793 |
| ALLEN CREEK | Washington | Good | 1988 | 30.5 m | 21,729 |
| TACOMA EASTERN RAILROAD | Washington | Good | 2011 | 23.2 m | 21,675 |
| SR 202 | Washington | Fair | 1975 | 57.0 m | 21,667 |
| SR 202 | Washington | Fair | 1976 | 57.0 m | 21,667 |
| I-90 MAINLINE | Washington | Fair | 1969 | 138.4 m | 21,663 |
| WOODS CREEK | Washington | Fair | 1950 | 43.0 m | 21,661 |
| SKAGIT RIVER | Washington | Good | 2004 | 259.1 m | 21,640 |
| HOAG & STEWARD ST | Washington | Fair | 2003 | 18.3 m | 21,640 |
| SR 7 | Washington | Fair | 1967 | 156.1 m | 21,545 |
| SR 290 (TRENT AVE) | Washington | Poor | 1960 | 24.4 m | 21,500 |
| BLACKJACK CREEK | Washington | Fair | 1985 | 198.1 m | 21,500 |
| BNSF RAILROAD | Washington | Fair | 1960 | 14.3 m | 21,500 |
| WYNOOCHEE RIVER | Washington | Poor | 1935 | 87.2 m | 21,466 |
| UNNAMED TRIBUTARY | Washington | Good | 2018 | 11.0 m | 21,466 |
| PORT WASHINGTON NARROWS | Washington | Fair | 1958 | 523.3 m | 21,462 |
| S 128TH ST | Washington | Fair | 1968 | 61.9 m | 21,456 |
| HEWITT AVE | Washington | Good | 1966 | 36.9 m | 21,432 |
| AGATE PASSAGE | Washington | Fair | 1950 | 374.6 m | 21,431 |
| I-5 | Washington | Fair | 1991 | 73.8 m | 21,420 |
| N 46TH ST | Washington | Fair | 1933 | 28.0 m | 21,386 |
| ANDRESEN RD | Washington | Good | 1995 | 57.0 m | 21,383 |
| GEIGER BLVD | Washington | Fair | 1964 | 50.9 m | 21,369 |
| GEIGER BLVD | Washington | Fair | 1964 | 50.9 m | 21,369 |
| FIFTEEN MILE CREEK | Washington | Fair | 1949 | 19.5 m | 21,368 |
| NOOKSACK RIVER | Washington | Fair | 1950 | 130.8 m | 21,350 |
| I-205 | Washington | Good | 1972 | 121.3 m | 21,340 |
| 166TH AVE | Washington | Fair | 1968 | 44.8 m | 21,331 |
| 166TH AVE | Washington | Good | 1983 | 29.0 m | 21,331 |
| RR & N GORDON RD | Washington | Poor | 1971 | 119.5 m | 21,317 |
| RR & N GORDON RD | Washington | Poor | 1971 | 125.0 m | 21,317 |
| DAVIS SLOUGH | Washington | Good | 2015 | 42.1 m | 21,240 |
| STILLAGUAMISH R / RR | Washington | Good | 2010 | 127.7 m | 21,240 |
| BLACKJACK CREEK | Washington | Good | 2024 | 27.6 m | 21,196 |
| I-5 | Washington | Fair | 1958 | 43.0 m | 21,134 |
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.