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 |
|---|---|---|---|---|---|
| HUMPBACK CREEK | Washington | Poor | 1972 | 7.3 m | 18,894 |
| OLALLIE CREEK | Washington | Fair | 1972 | 6.7 m | 18,894 |
| DENNY CREEK | Washington | Fair | 1981 | 1,103.4 m | 18,894 |
| AVALANCHE PATH | Washington | Fair | 1971 | 213.4 m | 18,894 |
| GARCIA INTERCHANGE | Washington | Fair | 1976 | 35.1 m | 18,876 |
| SO FK SNOQUALMIE R | Washington | Good | 1976 | 42.7 m | 18,876 |
| S FK SNOQUALMIE R | Washington | Poor | 1974 | 42.7 m | 18,876 |
| S FK SNOQUALMIE R | Washington | Fair | 1974 | 111.9 m | 18,876 |
| GARCIA INTERCHANGE | Washington | Good | 1974 | 35.4 m | 18,876 |
| S FK SNOQUALMIE R | Washington | Fair | 1974 | 111.9 m | 18,876 |
| HOMESTEAD VALLEY RD | Washington | Fair | 1974 | 31.7 m | 18,876 |
| S FK SNOQUALMIE R | Washington | Good | 1974 | 92.0 m | 18,876 |
| S FK SNOQUALMIE R | Washington | Good | 1974 | 95.4 m | 18,876 |
| HOMESTEAD VALLEY RD | Washington | Good | 1974 | 31.7 m | 18,876 |
| SR 16 | Washington | Good | 1977 | 68.0 m | 18,857 |
| STATE PARK ROAD/TRAIL | Washington | Good | 1935 | 6.4 m | 18,797 |
| DECEPTION PASS | Washington | Fair | 1935 | 297.5 m | 18,797 |
| CANOE PASS | Washington | Fair | 1935 | 155.8 m | 18,797 |
| S FK PALOUSE RIVER | Washington | Good | 1977 | 32.3 m | 18,772 |
| UNION PACIFIC RAILROAD | Washington | Fair | 1995 | 201.8 m | 18,765 |
| GREEN RIVER | Washington | Fair | 1990 | 76.2 m | 18,758 |
| CATTLE CROSSING | Washington | Fair | 1990 | 18.9 m | 18,758 |
| BANDERA RD | Washington | Poor | 1972 | 34.1 m | 18,753 |
| BANDERA RD | Washington | Poor | 1972 | 37.8 m | 18,753 |
| THEA FOSS WATRWAY & D ST | Washington | Fair | 1996 | 302.4 m | 18,728 |
| CEDAR RIVER | Washington | Good | 2005 | 123.7 m | 18,726 |
| WAPATO CREEK | Washington | Good | 1994 | 16.8 m | 18,700 |
| S FK SNOQUALMIE R | Washington | Fair | 1971 | 65.2 m | 18,692 |
| COUNTY ROAD(OLD I-90) | Washington | Fair | 1971 | 74.4 m | 18,692 |
| SR 500 | Washington | Good | 2012 | 37.5 m | 18,661 |
| EAST FORK LEWIS RIVER | Washington | Fair | 1967 | 79.2 m | 18,654 |
| KLICKITAT DRIVE | Washington | Good | 1998 | 42.7 m | 18,644 |
| I-5 | Washington | Fair | 1982 | 77.1 m | 18,579 |
| SR 16 | Washington | Good | 1984 | 78.0 m | 18,546 |
| PORTAL WAY | Washington | Fair | 1963 | 40.5 m | 18,530 |
| PORTAL WAY | Washington | Fair | 1963 | 40.5 m | 18,530 |
| SPOKANE ST | Washington | Fair | 1959 | 851.0 m | 18,505 |
| SPOKANE RIVER | Washington | Fair | 1911 | 272.2 m | 18,453 |
| NORTH CREEK TRIB | Washington | Good | 2007 | 18.0 m | 18,409 |
| I-90 | Washington | Fair | 1968 | 111.6 m | 18,400 |
| ABANDONED RR | Washington | Fair | 1965 | 61.0 m | 18,383 |
| SWINOMISH CHAN | Washington | Fair | 1972 | 993.3 m | 18,383 |
| SWINOMISH CHANNEL | Washington | Good | 1981 | 1,080.5 m | 18,383 |
| ABANDONED RR | Washington | Fair | 1962 | 61.0 m | 18,383 |
| JIMMYCOMELATELY CREEK | Washington | Good | 2004 | 36.3 m | 18,344 |
| ISSAQUAH CREEK | Washington | Good | 2000 | 74.1 m | 18,300 |
| BURNT BRIDGE CREEK | Washington | Good | 2005 | 9.1 m | 18,282 |
| RR & CITY STREETS | Washington | Fair | 1938 | 76.2 m | 18,250 |
| CHURCH CREEK | Washington | Good | 2017 | 9.8 m | 18,245 |
| CREEK/RR/STREET | Washington | Fair | 1973 | 103.0 m | 18,182 |
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.