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 |
|---|---|---|---|---|---|
| BNRR & B ST NW | Washington | Fair | 1972 | 92.7 m | 31,879 |
| I-5 | Washington | Good | 1996 | 62.5 m | 31,813 |
| I-5 | Washington | Fair | 1959 | 123.7 m | 31,811 |
| M STREET | Washington | Good | 1984 | 36.3 m | 31,748 |
| BNSF RR SPUR | Washington | Fair | 1986 | 64.6 m | 31,748 |
| BNSF RR SPUR | Washington | Good | 1960 | 64.6 m | 31,748 |
| I-5 | Washington | Fair | 1958 | 55.8 m | 31,732 |
| S-W RAMP | Washington | Fair | 1988 | 16.5 m | 31,732 |
| I-5 | Washington | Good | 1988 | 61.9 m | 31,602 |
| I-5 I-5 EXP LNS RAMPS | Washington | Fair | 1964 | 91.9 m | 31,375 |
| SR 167 | Washington | Fair | 1968 | 59.7 m | 31,266 |
| COAL CREEK | Washington | Fair | 2014 | 15.6 m | 31,258 |
| RAGING RIVER | Washington | Good | 1975 | 119.8 m | 31,252 |
| RAGING RIVER | Washington | Poor | 1975 | 112.5 m | 31,252 |
| S-E RAMP | Washington | Good | 1987 | 45.7 m | 31,198 |
| CITY STREETS & RR | Washington | Fair | 1987 | 308.5 m | 31,198 |
| W-S RAMP | Washington | Fair | 1971 | 71.3 m | 31,198 |
| CITY STREETS & RR | Washington | Fair | 1973 | 274.6 m | 31,198 |
| S-E RAMP | Washington | Good | 1973 | 49.1 m | 31,198 |
| W-S RAMP | Washington | Fair | 1988 | 82.3 m | 31,198 |
| DESCHUTES PARKWAY | Washington | Good | 1987 | 82.9 m | 31,153 |
| WETLANDS | Washington | Good | 1994 | 162.2 m | 31,133 |
| SR 104 | Washington | Good | 1975 | 40.5 m | 31,082 |
| SR 167 & SPRINGBROOK CK | Washington | Fair | 1973 | 96.7 m | 31,076 |
| I-405 | Washington | Good | 1962 | 62.5 m | 31,000 |
| RAVINE FAIRMOUNT AVE | Washington | Fair | 1927 | 88.4 m | 31,000 |
| MERCER SLOUGH | Washington | Fair | 1970 | 525.2 m | 31,000 |
| SR 536 KINCAID ST | Washington | Fair | 1953 | 44.5 m | 30,793 |
| MILL CREEK | Washington | Good | 1922 | 11.6 m | 30,762 |
| SLOUGH | Washington | Good | 1922 | 13.1 m | 30,762 |
| SR 166 | Washington | Fair | 1956 | 71.3 m | 30,756 |
| SR 525 | Washington | Fair | 1980 | 64.3 m | 30,703 |
| CHICO CREEK | Washington | Good | 2024 | 67.4 m | 30,680 |
| NBCD VIADUCT STA 2195 | Washington | Fair | 1964 | 214.0 m | 30,675 |
| I-5 RAMPS RAILROAD | Washington | Fair | 1965 | 288.6 m | 30,627 |
| E FK ISSAQUAH CREEK | Washington | Good | 1976 | 37.2 m | 30,622 |
| E FK ISSAQUAH CREEK | Washington | Fair | 1976 | 35.7 m | 30,622 |
| E FK ISSAQUAH CREEK | Washington | Fair | 1976 | 38.1 m | 30,622 |
| E FK ISSAQUAH CREEK | Washington | Fair | 1976 | 32.0 m | 30,622 |
| SPOKANE BRIDGE RD | Washington | Fair | 1972 | 34.1 m | 30,620 |
| SPOKANE BRIDGE RD | Washington | Good | 1972 | 34.1 m | 30,620 |
| YAKIMA RIVER | Washington | Good | 1983 | 251.2 m | 30,551 |
| YAKIMA RIVER | Washington | Good | 1983 | 251.5 m | 30,551 |
| 8TH AVE NW | Washington | Fair | 1975 | 20.4 m | 30,500 |
| SPOKANE RIVER | Washington | Fair | 1976 | 141.7 m | 30,500 |
| SPOKANE RIVER | Washington | Fair | 1976 | 141.7 m | 30,500 |
| C&C RY & N PACIFIC AVE | Washington | Fair | 1976 | 106.7 m | 30,451 |
| C&C RY & COUNTY RD | Washington | Fair | 1976 | 90.8 m | 30,451 |
| I-405 | Washington | Fair | 1969 | 89.0 m | 30,405 |
| BNSF RAILWAY | Washington | Good | 2010 | 88.2 m | 30,397 |
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.