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 |
|---|---|---|---|---|---|
| AHTANUM CRK RR & ROADS | Washington | Fair | 1981 | 367.6 m | 9,941 |
| AHTANUM CRK RR&N-N RAMP | Washington | Poor | 1981 | 400.8 m | 9,941 |
| MILITARY RD | Washington | Fair | 1971 | 43.9 m | 9,941 |
| MILITARY RD | Washington | Poor | 1971 | 43.3 m | 9,941 |
| WASHOUGAL RIVER | Washington | Fair | 1947 | 68.6 m | 9,924 |
| NORTHUP WAY | Washington | Good | 1966 | 41.5 m | 9,907 |
| 115TH AVE NE & TRAIL | Washington | Good | 1966 | 70.7 m | 9,907 |
| I-405 N-E & N-W RAMPS | Washington | Good | 2011 | 134.1 m | 9,875 |
| SAMMAMISH RIVER | Washington | Good | 1947 | 48.8 m | 9,869 |
| UP RR | Washington | Fair | 1982 | 36.6 m | 9,866 |
| UP RR | Washington | Fair | 1982 | 41.5 m | 9,866 |
| MIDVALE ROAD | Washington | Fair | 1982 | 36.9 m | 9,866 |
| MIDVALE ROAD | Washington | Fair | 1982 | 36.9 m | 9,866 |
| ROCKY FORD CR | Washington | Fair | 1955 | 32.0 m | 9,836 |
| ROCK ISLAND CR | Washington | Fair | 1955 | 24.7 m | 9,816 |
| I-5/AIRPORT WAY RAMP | Washington | Good | 1965 | 195.1 m | 9,815 |
| I-5 | Washington | Good | 2016 | 48.2 m | 9,808 |
| HARRIS CREEK | Washington | Fair | 1945 | 17.7 m | 9,800 |
| DRAINAGE CHANNEL | Washington | Fair | 1954 | 18.3 m | 9,800 |
| COLEMAN CREEK | Washington | Good | 1969 | 20.1 m | 9,791 |
| SR 821 WHIPPLE WASTEWAY | Washington | Fair | 1970 | 108.8 m | 9,791 |
| SR 821 WHIPPLE WASTEWAY | Washington | Poor | 1970 | 108.8 m | 9,791 |
| I-5 | Washington | Good | 2006 | 403.3 m | 9,786 |
| I-405 | Washington | Good | 2010 | 158.5 m | 9,777 |
| CLOVER CREEK | Washington | Good | 1967 | 10.3 m | 9,775 |
| S PRAIRIE CR | Washington | Poor | 1956 | 36.6 m | 9,771 |
| CAMPUS WAY NE | Washington | Good | 2008 | 39.6 m | 9,760 |
| SKYKOMISH R | Washington | Fair | 1932 | 175.9 m | 9,748 |
| SNOQUALMIE RIVER | Washington | Poor | 1931 | 135.3 m | 9,740 |
| TOKUL CREEK | Washington | Good | 1984 | 66.1 m | 9,740 |
| PUGET SOUND @ FAUNTLEROY | Washington | Fair | 1957 | 170.1 m | 9,721 |
| PUGET SOUND @ FAUNTLEROY | Washington | Good | 1984 | 32.0 m | 9,721 |
| RICHARDS CREEK | Washington | Fair | 2005 | 10.4 m | 9,709 |
| I-5 | Washington | Fair | 1964 | 75.9 m | 9,704 |
| MORGAN CREEK | Washington | Fair | 1956 | 7.9 m | 9,692 |
| LATAH CREEK | Washington | Fair | 1919 | 51.0 m | 9,669 |
| COLUMBIA RIVER | Washington | Fair | 1978 | 762.9 m | 9,651 |
| S FK PALOUSE RIVER | Washington | Fair | 1934 | 34.4 m | 9,648 |
| TRAIL & CREEK | Washington | Good | 1973 | 61.0 m | 9,640 |
| SPOKANE RIVER | Washington | Good | 2011 | 149.7 m | 9,637 |
| DOUGLAS CREEK | Washington | Poor | 1957 | 91.4 m | 9,626 |
| Clark County Rail Line | Washington | Fair | 1972 | 57.1 m | 9,626 |
| GN RY | Washington | Fair | 1959 | 56.4 m | 9,620 |
| YAKIMA R | Washington | Fair | 1935 | 166.1 m | 9,615 |
| SLOUGH OF YAKIMA R | Washington | Fair | 1935 | 35.1 m | 9,615 |
| BEAVER CRK | Washington | Poor | 1979 | 173.7 m | 9,615 |
| COAL CREEK | Washington | Good | 1948 | 11.6 m | 9,612 |
| WISEMAN CREEK | Washington | Good | 1948 | 31.1 m | 9,612 |
| SR 18 | Washington | Good | 1988 | 57.3 m | 9,610 |
| CENTER STREET | Washington | Good | 2011 | 222.2 m | 9,600 |
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.