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 |
|---|---|---|---|---|---|
| NANEUM CR | Washington | Good | 1970 | 7.6 m | 9,167 |
| CANAL | Washington | Good | 1954 | 11.6 m | 9,146 |
| I-90 E-S RAMP | Washington | Good | 1992 | 36.9 m | 9,120 |
| US 101 & SCHNEIDER CREEK | Washington | Good | 1995 | 57.3 m | 9,105 |
| ISSAQUAH CK | Washington | Good | 1996 | 24.4 m | 9,100 |
| SPRING FLAT CREEK | Washington | Poor | 1920 | 11.3 m | 9,093 |
| RAGING RIVER | Washington | Fair | 1998 | 60.7 m | 9,092 |
| SOUTH CREEK | Washington | Good | 1947 | 18.3 m | 9,080 |
| N UNNAMED TRIB TO S CRK | Washington | Good | 2023 | 6.9 m | 9,080 |
| COLUMBIA RIVER VANTAGE | Washington | Fair | 1962 | 763.2 m | 9,077 |
| SR 26 | Washington | Fair | 1961 | 55.8 m | 9,077 |
| MILL CREEK | Washington | Fair | 1921 | 12.8 m | 9,066 |
| I-90 | Washington | Good | 1989 | 78.6 m | 9,063 |
| SR 204 | Washington | Good | 1967 | 177.7 m | 9,063 |
| Ridgeline Drive | Washington | Good | 2022 | 16.5 m | 9,054 |
| I-5 | Washington | Good | 2018 | 101.2 m | 9,053 |
| MARSHLAND FLOODWAY | Washington | Good | 1994 | 16.6 m | 9,049 |
| US 2 WB SR 204 | Washington | Good | 1993 | 141.7 m | 9,048 |
| LACAMAS CREEK | Washington | Fair | 1957 | 36.6 m | 9,017 |
| PUGET SOUND @ EAGLE HRBR | Washington | Fair | 1972 | 32.0 m | 9,000 |
| KLICKITAT AVE SW RR | Washington | Good | 2001 | 330.4 m | 9,000 |
| BACHELOR CREEK | Washington | Fair | 1992 | 7.9 m | 9,000 |
| SCOTT DITCH | Washington | Good | 2009 | 23.5 m | 9,000 |
| PUGET SOUND @ EAGLE HRBR | Washington | Good | 1984 | 151.8 m | 9,000 |
| SWAMP CREEK | Washington | Good | 1995 | 6.3 m | 9,000 |
| SR 104 WB | Washington | Good | 1971 | 16.2 m | 8,999 |
| I-5 | Washington | Fair | 2007 | 119.2 m | 8,985 |
| AHTANUM CREEK | Washington | Fair | 1941 | 47.5 m | 8,981 |
| NP RY & RAMP | Washington | Fair | 1941 | 213.4 m | 8,981 |
| W-N RAMP | Washington | Good | 2001 | 21.6 m | 8,973 |
| B.N. RAILROAD | Washington | Poor | 1966 | 55.8 m | 8,962 |
| SAMMAMISH R | Washington | Good | 1955 | 51.2 m | 8,961 |
| HOWARD ST | Washington | Fair | 1967 | 77.1 m | 8,960 |
| CID CANAL | Washington | Good | 1967 | 9.1 m | 8,954 |
| NORTHGATE WAY | Washington | Good | 1995 | 50.0 m | 8,939 |
| I-5 MAINLINE | Washington | Fair | 1968 | 112.5 m | 8,930 |
| SOUTHCENTER BLVD | Washington | Good | 1994 | 60.0 m | 8,919 |
| SKOOKUMCHUCK RIVER | Washington | Poor | 1928 | 56.7 m | 8,908 |
| CEDAR RIVER | Washington | Fair | 1960 | 42.9 m | 8,902 |
| RAIL ROAD | Washington | Good | 1993 | 100.9 m | 8,901 |
| SR 518 | Washington | Fair | 1966 | 89.9 m | 8,894 |
| GREEN RIVER | Washington | Fair | 1970 | 74.1 m | 8,871 |
| SR 18 | Washington | Good | 2016 | 94.8 m | 8,847 |
| I-5 | Washington | Good | 1986 | 51.8 m | 8,842 |
| OKANOGAN RIVER | Washington | Fair | 1964 | 127.4 m | 8,828 |
| SR 155 | Washington | Poor | 1964 | 17.7 m | 8,828 |
| SPRINGBROOK CREEK | Washington | Good | 1986 | 40.8 m | 8,813 |
| DRY RELIEF | Washington | Fair | 1968 | 69.2 m | 8,811 |
| STEVENS RD | Washington | Fair | 1968 | 42.7 m | 8,811 |
| STEVENS RD | Washington | Fair | 1968 | 42.7 m | 8,811 |
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.