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 |
|---|---|---|---|---|---|
| DRAINAGE DITCH | Washington | Fair | 1964 | 46.3 m | 25,876 |
| DRAINAGE DITCH | Washington | Fair | 1964 | 46.3 m | 25,876 |
| SAMISH RIVER PVT RD | Washington | Fair | 1963 | 57.0 m | 25,876 |
| GN RY | Washington | Fair | 1963 | 82.3 m | 25,876 |
| SAMISH RIVER PVT RD | Washington | Fair | 1963 | 57.0 m | 25,876 |
| US 2 | Washington | Good | 1979 | 60.4 m | 25,874 |
| MORSE CREEK | Washington | Fair | 1968 | 57.3 m | 25,787 |
| STUCK RIVER (WHITE RIV) | Washington | Fair | 1991 | 88.4 m | 25,650 |
| EBEY SLOUGH DRAINAGE | Washington | Good | 1993 | 286.2 m | 25,648 |
| SR 7 SB RAMP | Washington | Good | 1964 | 82.6 m | 25,622 |
| ANDERSON HILL RD | Washington | Fair | 1972 | 44.5 m | 25,585 |
| ANDERSON HILL RD | Washington | Fair | 1978 | 44.5 m | 25,585 |
| SR 14 | Washington | Fair | 1976 | 81.7 m | 25,539 |
| GARDEN SPRINGS RD | Washington | Fair | 1962 | 45.7 m | 25,537 |
| GARDEN SPRINGS RD | Washington | Fair | 1962 | 45.7 m | 25,537 |
| SAMMAMISH RIVER | Washington | Good | 2004 | 39.0 m | 25,500 |
| BAGLEY CREEK | Washington | Good | 2021 | 24.8 m | 25,487 |
| I-5 | Washington | Fair | 1982 | 196.9 m | 25,479 |
| SR 164 | Washington | Good | 1959 | 25.0 m | 25,441 |
| F ST SE | Washington | Good | 1958 | 20.1 m | 25,441 |
| I-182 | Washington | Good | 1983 | 116.4 m | 25,433 |
| NP RY MOXEE | Washington | Poor | 1961 | 64.9 m | 25,406 |
| NP RY MOXEE | Washington | Fair | 1961 | 64.9 m | 25,406 |
| OVERFLOW CHANNEL | Washington | Fair | 1960 | 48.8 m | 25,406 |
| OVERFLOW CHANNEL | Washington | Fair | 1960 | 48.8 m | 25,406 |
| TERRAIN | Washington | Good | 2001 | 43.0 m | 25,373 |
| RAGING RIVER | Washington | Good | 1962 | 89.0 m | 25,373 |
| W-S RAMP | Washington | Good | 1971 | 38.7 m | 25,358 |
| COTTAGE LAKE CREEK | Washington | Fair | 1994 | 11.4 m | 25,321 |
| NOOKSACK RIVER | Washington | Fair | 1971 | 273.4 m | 25,301 |
| NOOKSACK RIVER | Washington | Fair | 1955 | 276.1 m | 25,301 |
| SAMMAMISH RIVER | Washington | Fair | 1968 | 711.7 m | 25,269 |
| I-5 | Washington | Fair | 1963 | 103.0 m | 25,227 |
| NORTH CREEK | Washington | Fair | 1984 | 14.8 m | 25,173 |
| CANAL DRIVE | Washington | Fair | 1980 | 26.5 m | 25,140 |
| NP UPRR & COLUMBIA CANAL | Washington | Good | 1980 | 199.3 m | 25,140 |
| NP UPRR & COLUMBIA CANAL | Washington | Fair | 1956 | 205.7 m | 25,140 |
| CANAL DRIVE | Washington | Fair | 1956 | 26.5 m | 25,140 |
| HEWITT AVENUE | Washington | Good | 2006 | 35.1 m | 25,126 |
| S-E RAMP | Washington | Good | 1967 | 11.9 m | 25,126 |
| THURSTON WAY | Washington | Good | 2002 | 66.4 m | 25,107 |
| GLENDALE WAY | Washington | Good | 1968 | 61.0 m | 25,061 |
| MULLENIX ROAD | Washington | Good | 1993 | 38.7 m | 25,060 |
| MULLENIX ROAD | Washington | Good | 1994 | 38.7 m | 25,060 |
| CLARKS CREEK | Washington | Good | 1970 | 39.9 m | 25,053 |
| I-5 TO SR 526 RAMP | Washington | Good | 1970 | 19.2 m | 25,028 |
| GREEN RIVER | Washington | Poor | 1958 | 74.7 m | 25,000 |
| SR 167 | Washington | Good | 1975 | 112.5 m | 25,000 |
| S FK SNOQUALMIE RIVER | Washington | Good | 1975 | 147.5 m | 24,954 |
| 424TH AVE SE | Washington | Fair | 1976 | 36.6 m | 24,954 |
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.