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 |
|---|---|---|---|---|---|
| NOOKSACK R OVERFLOW | Washington | Good | 1950 | 133.5 m | 7,931 |
| NOOKSACK R | Washington | Poor | 1950 | 175.6 m | 7,931 |
| NOOKSACK R OVERFLOW | Washington | Fair | 1950 | 98.5 m | 7,931 |
| FISHTRAP CREEK | Washington | Good | 2008 | 31.1 m | 7,931 |
| WHATCOM CRK | Washington | Fair | 1981 | 19.5 m | 7,900 |
| SPRINGBROOK CREEK | Washington | Good | 1998 | 41.8 m | 7,866 |
| MILL CREEK | Washington | Fair | 1938 | 48.8 m | 7,862 |
| I-82 | Washington | Poor | 1980 | 72.5 m | 7,846 |
| CURRIER CREEK | Washington | Fair | 1966 | 25.0 m | 7,845 |
| MCDONALD CREEK | Washington | Good | 2018 | 43.9 m | 7,837 |
| I-5 RAMP | Washington | Good | 2014 | 46.9 m | 7,822 |
| CREEK | Washington | Fair | 1945 | 15.8 m | 7,813 |
| SLOUGH | Washington | Fair | 1945 | 88.7 m | 7,813 |
| SLOUGH | Washington | Poor | 1945 | 15.8 m | 7,813 |
| SLOUGH | Washington | Fair | 1945 | 21.0 m | 7,813 |
| SLOUGH | Washington | Fair | 1945 | 15.8 m | 7,813 |
| SLOUGH | Washington | Fair | 1945 | 29.3 m | 7,813 |
| SLOUGH | Washington | Fair | 1945 | 21.0 m | 7,813 |
| SLOUGH | Washington | Poor | 1945 | 20.7 m | 7,813 |
| SLOUGH | Washington | Fair | 1945 | 21.0 m | 7,813 |
| GRIFFIN CR | Washington | Fair | 1945 | 14.0 m | 7,813 |
| SLOUGH | Washington | Good | 1986 | 64.0 m | 7,813 |
| WHATCOM CREEK/WATERWAY | Washington | Fair | 1995 | 152.4 m | 7,800 |
| I-90 | Washington | Good | 1970 | 46.6 m | 7,800 |
| SCATTER CREEK | Washington | Fair | 1923 | 20.1 m | 7,789 |
| DAKOTA CREEK | Washington | Fair | 1930 | 56.1 m | 7,776 |
| SR 16 | Washington | Fair | 1977 | 64.0 m | 7,775 |
| NB I-405 | Washington | Poor | 2006 | 39.0 m | 7,766 |
| I-5 | Washington | Fair | 1980 | 83.8 m | 7,757 |
| I-405 | Washington | Good | 1987 | 9.1 m | 7,745 |
| ENTIAT RIVER | Washington | Fair | 1959 | 123.7 m | 7,739 |
| I-82 | Washington | Fair | 1978 | 112.2 m | 7,704 |
| CREEK | Washington | Good | 1999 | 28.0 m | 7,703 |
| BNSF RR | Washington | Poor | 1931 | 31.4 m | 7,700 |
| Swamp Creek | Washington | Good | 2009 | 9.1 m | 7,698 |
| I-5 | Washington | Fair | 1983 | 69.5 m | 7,697 |
| ACCESS RD CREEK OLD RR | Washington | Poor | 1933 | 82.3 m | 7,694 |
| RR SPOKANE RIVER CITY ST | Washington | Fair | 1984 | 416.7 m | 7,681 |
| 2ND AVE | Washington | Fair | 1974 | 73.8 m | 7,681 |
| 2ND AVE | Washington | Poor | 1974 | 43.9 m | 7,681 |
| LAKE TAPPS OUTFALL PSE | Washington | Fair | 1977 | 65.5 m | 7,675 |
| SPRING FLAT CREEK | Washington | Good | 1960 | 6.7 m | 7,672 |
| CLOQUALLUM CREEK | Washington | Fair | 1937 | 70.7 m | 7,669 |
| SR 509 | Washington | Good | 1969 | 63.7 m | 7,669 |
| SKOKOMISH RIVER | Washington | Fair | 1932 | 123.4 m | 7,648 |
| PURDY CREEK | Washington | Good | 2009 | 106.7 m | 7,648 |
| WEAVER CREEK | Washington | Good | 1970 | 30.2 m | 7,648 |
| SLOUGH | Washington | Good | 1985 | 48.8 m | 7,648 |
| TOUCHET RIVER | Washington | Fair | 1919 | 47.5 m | 7,642 |
| BLACK RIVER | Washington | Fair | 1932 | 51.5 m | 7,629 |
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.