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 |
|---|---|---|---|---|---|
| TERRAIN | Washington | Good | 1996 | 60.7 m | 6,673 |
| 2ND AVE & BN RR | Washington | Good | 1971 | 129.2 m | 6,661 |
| UP RR | Washington | Good | 1972 | 78.9 m | 6,661 |
| 9TH AVE | Washington | Good | 1972 | 64.3 m | 6,661 |
| S PRAIRIE CREEK | Washington | Good | 1969 | 66.1 m | 6,643 |
| US 101 | Washington | Good | 1999 | 32.6 m | 6,640 |
| US 101 | Washington | Good | 1993 | 30.5 m | 6,636 |
| LEWIS RIVER | Washington | Fair | 1966 | 181.4 m | 6,628 |
| SR 104/205TH ST | Washington | Good | 1995 | 57.6 m | 6,627 |
| S-E RAMP | Washington | Good | 1995 | 93.9 m | 6,627 |
| BURNT BRIDGE CREEK | Washington | Fair | 2001 | 38.1 m | 6,610 |
| BIG BEEF CREEK | Washington | Fair | 1974 | 31.1 m | 6,604 |
| Storwater Facility | Washington | Good | 2021 | 47.5 m | 6,597 |
| SOUND TRANSIT LIGHT RAIL | Washington | Good | 2019 | 12.5 m | 6,597 |
| STILLAGUAMISH RIVER | Washington | Fair | 1959 | 77.7 m | 6,596 |
| SOLO SLOUGH | Washington | Good | 1961 | 7.0 m | 6,580 |
| BNSF Railway | Washington | Good | 2023 | 117.7 m | 6,561 |
| LAKE STEVENS OUTFLOW | Washington | Good | 1993 | 12.4 m | 6,560 |
| TERRAIN | Washington | Good | 2020 | 50.0 m | 6,559 |
| TOWN DITCH | Washington | Fair | 2003 | 7.0 m | 6,556 |
| KLICKITAT CREEK | Washington | Good | 1937 | 7.0 m | 6,548 |
| STREAM | Washington | Good | 1986 | 21.3 m | 6,540 |
| MILL CREEK | Washington | Fair | 1968 | 32.6 m | 6,539 |
| PORT WASH NARROWS | Washington | Good | 2011 | 472.4 m | 6,537 |
| US 101 | Washington | Good | 1975 | 215.2 m | 6,524 |
| I-5 NBCD | Washington | Good | 1965 | 228.3 m | 6,516 |
| Bachelor Creek | Washington | Good | 2009 | 21.0 m | 6,515 |
| GILLIS SL | Washington | Fair | 1955 | 37.5 m | 6,510 |
| HUMPTULIPS RIVER | Washington | Fair | 1956 | 110.9 m | 6,510 |
| I-90 | Washington | Good | 2000 | 69.5 m | 6,503 |
| EVERGREEN RD | Washington | Good | 2000 | 57.9 m | 6,500 |
| RIBARY CREEK | Washington | Fair | 1941 | 49.7 m | 6,500 |
| S FORK SNOQUALMIE RIVER | Washington | Fair | 1941 | 142.3 m | 6,500 |
| I-5 | Washington | Fair | 1962 | 81.4 m | 6,500 |
| GARDINERS CREEK | Washington | Fair | 1941 | 17.1 m | 6,500 |
| OWL CREEK | Washington | Poor | 1922 | 28.0 m | 6,500 |
| DRAINAGE DITCH-RELIEF | Washington | Good | 2020 | 53.3 m | 6,500 |
| JESSIE SLOUGH | Washington | Fair | 1952 | 31.1 m | 6,497 |
| RD N NE & RR | Washington | Fair | 1959 | 63.7 m | 6,497 |
| RD N NE & RR | Washington | Fair | 1959 | 63.7 m | 6,497 |
| SR 285 S-W RAMP | Washington | Fair | 1950 | 39.6 m | 6,493 |
| WASHOUGAL RIVER | Washington | Good | 1993 | 76.2 m | 6,484 |
| MILL CR | Washington | Good | 1936 | 18.0 m | 6,477 |
| Roza Canal | Washington | Good | 2002 | 23.2 m | 6,470 |
| PACIFIC AVE. | Washington | Good | 1988 | 87.2 m | 6,469 |
| W FK NOOKACHAMPS CR | Washington | Fair | 1920 | 74.1 m | 6,465 |
| E FK NOOKACHAMPS CR | Washington | Good | 1971 | 43.6 m | 6,465 |
| SALMON CREEK | Washington | Good | 2014 | 23.5 m | 6,458 |
| BNRR | Washington | Good | 1986 | 108.2 m | 6,441 |
| BEAVER CREEK | Washington | Good | 1986 | 17.7 m | 6,441 |
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.