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 |
|---|---|---|---|---|---|
| HOQUIAM RIVER | Washington | Poor | 1928 | 603.5 m | 12,765 |
| SKOOKUMCHUCK RIVER | Washington | Good | 2013 | 93.0 m | 12,739 |
| LAKE CREEK | Washington | Good | 2023 | 16.5 m | 12,687 |
| MILL CREEK | Washington | Good | 2015 | 8.5 m | 12,686 |
| SNOQUALMIE RIVER | Washington | Fair | 1980 | 127.7 m | 12,682 |
| DEADMAN CREEK | Washington | Good | 2011 | 9.4 m | 12,640 |
| I-405 E-N S-N RAMPS | Washington | Fair | 1966 | 65.5 m | 12,607 |
| COUNTY RD/OLD US 12 | Washington | Fair | 1978 | 91.1 m | 12,600 |
| COUNTY RD/OLD US 12 | Washington | Good | 1978 | 67.7 m | 12,600 |
| NFRC LINES | Washington | Good | 2001 | 131.7 m | 12,594 |
| I-5 | Washington | Good | 2018 | 39.6 m | 12,588 |
| CLEAR CREEK | Washington | Good | 1989 | 13.7 m | 12,573 |
| I-5 | Washington | Good | 1966 | 103.3 m | 12,553 |
| RR & CITY STREETS | Washington | Good | 1961 | 104.9 m | 12,531 |
| NORTH CR & GILLMAN TRAIL | Washington | Good | 1967 | 43.0 m | 12,517 |
| NORTH CR & GILLMAN TRAIL | Washington | Good | 1960 | 42.7 m | 12,517 |
| LINCOLN RD | Washington | Good | 2008 | 28.7 m | 12,505 |
| SR 18 | Washington | Good | 1958 | 97.2 m | 12,502 |
| RAILROAD | Washington | Fair | 1951 | 55.8 m | 12,500 |
| YARROW CREEK | Washington | Good | 2014 | 7.0 m | 12,500 |
| SCHMITZ BLVD RAVINE | Washington | Fair | 1935 | 53.3 m | 12,500 |
| 115th AVE NE & TRAIL | Washington | Fair | 1993 | 97.5 m | 12,471 |
| NORTHUP WAY | Washington | Fair | 1993 | 49.4 m | 12,471 |
| SNIPES MTN LATERAL CANAL | Washington | Good | 1980 | 18.3 m | 12,427 |
| SNIPES MTN LATERAL CANAL | Washington | Fair | 1980 | 14.3 m | 12,427 |
| CWA CANAL | Washington | Good | 1966 | 38.1 m | 12,425 |
| CID CANAL | Washington | Poor | 1971 | 9.1 m | 12,416 |
| N 57TH ST | Washington | Fair | 1900 | 18.3 m | 12,400 |
| MULLEN SLOUGH & DIRT RD. | Washington | Good | 1983 | 81.1 m | 12,389 |
| GREEN RIVER | Washington | Good | 1984 | 111.9 m | 12,389 |
| US 97 | Washington | Good | 2008 | 52.7 m | 12,372 |
| SULPHUR CRK WASTEWAY | Washington | Good | 1982 | 8.5 m | 12,349 |
| LEWIS CREEK | Washington | Good | 1990 | 13.7 m | 12,334 |
| 1ST AVE S | Washington | Good | 1961 | 25.3 m | 12,319 |
| I-5 | Washington | Fair | 1980 | 65.2 m | 12,275 |
| S FK SNOQUALMIE RIVER | Washington | Good | 1976 | 33.5 m | 12,263 |
| MUD BAY | Washington | Good | 1978 | 63.4 m | 12,249 |
| MILL CREEK | Washington | Good | 2015 | 14.3 m | 12,231 |
| I-90 | Washington | Good | 1989 | 109.7 m | 12,230 |
| SR 509 | Washington | Good | 2022 | 78.3 m | 12,230 |
| SNOQUALMIE RIVER | Washington | Good | 2000 | 190.2 m | 12,222 |
| HENDERSON BLVD UPRR | Washington | Good | 1957 | 83.8 m | 12,207 |
| SR 240 | Washington | Good | 1996 | 61.9 m | 12,198 |
| S-S RAMP | Washington | Good | 1990 | 73.2 m | 12,190 |
| DRAINAGE | Washington | Fair | 1963 | 26.2 m | 12,184 |
| EVANS CREEK | Washington | Good | 2013 | 21.0 m | 12,178 |
| INTERSTATE HWY 5 | Washington | Good | 1970 | 67.1 m | 12,145 |
| KENNEWICK MAIN CANAL | Washington | Good | 1987 | 8.2 m | 12,139 |
| BN RY | Washington | Fair | 1973 | 146.3 m | 12,139 |
| BN RY | Washington | Poor | 1973 | 146.3 m | 12,139 |
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.