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 |
|---|---|---|---|---|---|
| SOL DUC RIVER | Washington | Fair | 1948 | 93.3 m | 2,881 |
| SOL DUC RIVER | Washington | Fair | 1948 | 102.4 m | 2,881 |
| CREEK | Washington | Poor | 1947 | 70.4 m | 2,879 |
| EAST LOW CANAL | Washington | Good | 1980 | 40.8 m | 2,878 |
| NISQUALLY R OVERFLOW | Washington | Good | 1945 | 47.9 m | 2,872 |
| NISQUALLY RIVER | Washington | Fair | 1953 | 75.3 m | 2,872 |
| BNRR | Washington | Good | 1985 | 79.6 m | 2,867 |
| MILL CREEK | Washington | Fair | 1969 | 35.8 m | 2,867 |
| NEWAUKUM CREEK | Washington | Good | 2012 | 10.7 m | 2,855 |
| E ISSAQUAH CREEK | Washington | Good | 2003 | 150.0 m | 2,855 |
| KID CANAL | Washington | Fair | 1964 | 9.8 m | 2,852 |
| NASELLE R | Washington | Good | 1953 | 67.7 m | 2,839 |
| NASELLE RIVER OVERFLOW | Washington | Poor | 1964 | 61.0 m | 2,839 |
| NASELLE R OVERFLOW | Washington | Good | 1964 | 30.8 m | 2,839 |
| WEST FORK WOODS CREEK | Washington | Fair | 1935 | 9.4 m | 2,838 |
| BARNES CREEK | Washington | Good | 1986 | 25.6 m | 2,834 |
| LAKE CRESCENT | Washington | Fair | 1949 | 25.9 m | 2,834 |
| LAKE CRESCENT | Washington | Good | 1949 | 34.1 m | 2,834 |
| NEWAUKUM RIVER | Washington | Fair | 1960 | 115.8 m | 2,826 |
| SOUTH NEMAH RIVER | Washington | Fair | 1951 | 12.2 m | 2,815 |
| SOUTH NEMAH RIVER | Washington | Fair | 1957 | 14.6 m | 2,815 |
| JORGENSON SLOUGH | Washington | Fair | 1939 | 21.3 m | 2,815 |
| TIDE SLOUGH | Washington | Fair | 1939 | 42.1 m | 2,815 |
| NORTH NEMAH RIVER | Washington | Good | 1992 | 162.2 m | 2,815 |
| MIDDLE NEMAH RIVER | Washington | Good | 2014 | 38.7 m | 2,815 |
| RAIL ROAD DITCH | Washington | Good | 1955 | 9.1 m | 2,814 |
| SCATTER CREEK | Washington | Fair | 1949 | 20.7 m | 2,813 |
| SCATTER CREEK | Washington | Fair | 1984 | 41.5 m | 2,812 |
| W B 3 A | Washington | Fair | 1958 | 7.9 m | 2,810 |
| W B 3 B | Washington | Fair | 1958 | 12.2 m | 2,810 |
| ISSAQUAH CREEK | Washington | Good | 2005 | 31.1 m | 2,800 |
| WHATCOM CREEK | Washington | Fair | 1949 | 9.8 m | 2,800 |
| TUNNEL CREEK | Washington | Good | 1941 | 57.9 m | 2,795 |
| TUNNEL CREEK | Washington | Good | 1985 | 51.8 m | 2,795 |
| LITTLE QUILCENE RIVER | Washington | Fair | 1938 | 31.7 m | 2,792 |
| LITTLE WASHOUGAL | Washington | Fair | 1961 | 29.3 m | 2,792 |
| LELAND CREEK | Washington | Good | 2023 | 42.7 m | 2,792 |
| OHOP SLOUGH | Washington | Fair | 1922 | 23.5 m | 2,780 |
| OHOP SLOUGH | Washington | Fair | 1922 | 23.5 m | 2,780 |
| BLOOMS DITCH | Washington | Good | 2016 | 8.2 m | 2,779 |
| N FK FOUR MILE CREEK | Washington | Good | 1983 | 9.4 m | 2,772 |
| NO NAME CR | Washington | Good | 1983 | 6.4 m | 2,772 |
| FOUR MILE CREEK | Washington | Good | 1990 | 11.6 m | 2,772 |
| ROSE CREEK | Washington | Good | 1924 | 7.6 m | 2,772 |
| BEAN CR | Washington | Fair | 1958 | 31.4 m | 2,770 |
| WINCHESTER WASTEWAY | Washington | Fair | 1953 | 54.6 m | 2,764 |
| FRIDAY CREEK | Washington | Fair | 1975 | 23.8 m | 2,757 |
| CONNER CREEK | Washington | Good | 1955 | 46.0 m | 2,754 |
| SCATTER CREEK | Washington | Fair | 1965 | 20.1 m | 2,751 |
| YELLOWHAWK CREEK | Washington | Good | 1990 | 24.4 m | 2,750 |
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.