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 |
|---|---|---|---|---|---|
| DRY WASH | Washington | Fair | 1953 | 7.3 m | 13 |
| UNNAMED TRIBUTARY | Washington | Good | 2017 | 7.9 m | 13 |
| TILLICUM CREEK | Washington | Fair | 1964 | 25.6 m | 12 |
| WALLACE CREEK | Washington | Fair | 2002 | 29.3 m | 12 |
| LAKE CREEK | Washington | Fair | 1936 | 49.6 m | 12 |
| DRY WASH | Washington | Fair | 1949 | 7.9 m | 12 |
| CALIFORNIA CR | Washington | Fair | 1922 | 25.9 m | 12 |
| ASOTIN CREEK | Washington | Good | 1992 | 33.8 m | 12 |
| OVERFLOW CHANNEL | Washington | Good | 1995 | 63.4 m | 12 |
| DRY RUN | Washington | Good | 1998 | 6.9 m | 12 |
| CRAB CREEK | Washington | Good | 1900 | 9.8 m | 11 |
| CRAB CREEK | Washington | Good | 1913 | 18.6 m | 11 |
| KIMBALL CREEK | Washington | Fair | 1960 | 14.3 m | 11 |
| SO. FORK CHEHALIS RIVER | Washington | Fair | 2004 | 39.6 m | 11 |
| LAGOON | Washington | Fair | 1933 | 18.2 m | 10 |
| West Canal W26C Lateral | Washington | Fair | 1987 | 7.3 m | 10 |
| West Canal DW229 Waste | Washington | Good | 2010 | 11.2 m | 10 |
| DW231 WASTEWAY | Washington | Good | 2015 | 9.8 m | 10 |
| WEST CANAL W39.9 | Washington | Fair | 2016 | 11.9 m | 10 |
| ROCKY COULEE WASTEWAY | Washington | Poor | 1950 | 24.6 m | 10 |
| CRAB CREEK SIPHON NO. 1 | Washington | Good | 1947 | 6.8 m | 10 |
| MAIN CANAL | Washington | Good | 1977 | 33.4 m | 10 |
| MAIN CANAL | Washington | Good | 1977 | 12.2 m | 10 |
| ELTOPIA BRANCH CANAL | Washington | Good | 2002 | 10.7 m | 10 |
| ROZA ID WASTEWAY NO 3 | Washington | Poor | 1955 | 8.2 m | 10 |
| WASTEWAY NO. 2 | Washington | Good | 1937 | 7.1 m | 10 |
| WILDCAT CREEK WA | Washington | Fair | 1998 | 14.6 m | 10 |
| Potholes East Canal | Washington | Fair | 1952 | 10.4 m | 10 |
| Potholes East Canal Late | Washington | Fair | 1955 | 8.8 m | 10 |
| LITTLE NESPELEM RIVER | Washington | Fair | 1994 | 8.5 m | 10 |
| ICICLE CANAL | Washington | Fair | 1939 | 26.8 m | 10 |
| Greenhead Slough | Washington | Good | 2015 | 21.6 m | 10 |
| NINE MILE CREEK | Washington | Good | 1988 | 17.1 m | 10 |
| PELVY CREEK | Washington | Good | 1982 | 21.3 m | 10 |
| GREEN FORK | Washington | Fair | 1986 | 27.4 m | 10 |
| TRAPPER CREEK | Washington | Poor | 1954 | 24.5 m | 10 |
| PANTHER CREEK | Washington | Good | 1988 | 21.3 m | 10 |
| CANYON CREEK | Washington | Good | 1985 | 29.0 m | 10 |
| DEER CREEK | Washington | Fair | 1987 | 29.0 m | 10 |
| CASCADE RIVER | Washington | Good | 1978 | 49.7 m | 10 |
| CASCADE RIVER | Washington | Fair | 1965 | 54.9 m | 10 |
| JACKMAN CREEK | Washington | Good | 1985 | 21.6 m | 10 |
| UNNAMED CREEK | Washington | Good | 1995 | 12.5 m | 10 |
| N FK SKYKOMISH RIVER | Washington | Fair | 1963 | 61.0 m | 10 |
| GOBLIN CREEK | Washington | Good | 1966 | 42.7 m | 10 |
| SILVER CREEK | Washington | Fair | 1955 | 16.1 m | 10 |
| UPPER S FK GOLD CREEK | Washington | Good | 2009 | 7.8 m | 10 |
| LITTLE BRIDGE CREEK | Washington | Good | 2001 | 8.6 m | 10 |
| LITTLE BRIDGE CREEK | Washington | Good | 2001 | 12.3 m | 10 |
| EAST FORK BUTTERMILK | Washington | Good | 2001 | 7.3 m | 10 |
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.