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 |
|---|---|---|---|---|---|
| WYCOFF AVENUE | Washington | Fair | 1963 | 19.5 m | 19,840 |
| RR TRACKS ALLEY | Washington | Fair | 1949 | 203.6 m | 19,800 |
| I-90 | Washington | Poor | 1957 | 34.1 m | 19,798 |
| CEDAR RIVER | Washington | Fair | 1994 | 47.5 m | 19,730 |
| FOUR MILE CREEK | Washington | Good | 2008 | 18.3 m | 19,679 |
| TEN MILE CREEK | Washington | Good | 2008 | 18.3 m | 19,679 |
| CAPITOL LAKE | Washington | Fair | 1948 | 25.0 m | 19,640 |
| RD TO BOEING PARKING LOT | Washington | Fair | 1969 | 45.2 m | 19,626 |
| PUYALLUP AVE NPRR | Washington | Poor | 1973 | 292.6 m | 19,549 |
| I-5 | Washington | Fair | 1963 | 104.0 m | 19,534 |
| W VALLEY HWY S MILL CR | Washington | Fair | 1973 | 95.7 m | 19,506 |
| STUCK RIVER | Washington | Fair | 1967 | 76.2 m | 19,500 |
| 15TH AVE W | Washington | Fair | 1957 | 275.8 m | 19,500 |
| COWLITZ RIVER & BNSF | Washington | Fair | 1973 | 527.0 m | 19,487 |
| COWLITZ R & NP RY | Washington | Fair | 1961 | 510.8 m | 19,487 |
| LAKE WASHINGTON | Washington | Good | 2017 | 1,819.0 m | 19,472 |
| LAKE WASHINGTON | Washington | Good | 2023 | 1,867.5 m | 19,472 |
| JAMES & CHERRY STREETS | Washington | Fair | 1964 | 204.8 m | 19,438 |
| DES MOINES CK/MEM TRAIL | Washington | Good | 2007 | 25.1 m | 19,398 |
| MILL CREEK | Washington | Good | 1973 | 46.6 m | 19,397 |
| SR 308 (LUOTO RD) | Washington | Good | 1981 | 41.8 m | 19,388 |
| SR 308 (LUOTO RD) | Washington | Good | 1981 | 43.3 m | 19,388 |
| SR 240 E-N RAMP | Washington | Good | 2009 | 46.3 m | 19,364 |
| SR 240 / W COLUMBIA DR | Washington | Fair | 1954 | 21.9 m | 19,364 |
| SPOKANE RIVER | Washington | Fair | 1909 | 118.9 m | 19,319 |
| NPRR &SOUTH TACOMA WAY | Washington | Fair | 1971 | 376.4 m | 19,265 |
| PEDESTRIAN TUNNEL | Washington | Good | 2003 | 7.9 m | 19,258 |
| CHICKEN COOP CREEK | Washington | Good | 2024 | 18.9 m | 19,244 |
| DISCOVERY CREEK | Washington | Good | 2024 | 37.7 m | 19,244 |
| S FK SNOQUALMIE RIVER | Washington | Good | 1971 | 69.2 m | 19,222 |
| S FK SNOQUALMIE RIVER | Washington | Good | 1971 | 63.1 m | 19,222 |
| I-5 | Washington | Good | 1965 | 379.5 m | 19,205 |
| TERRAIN | Washington | Fair | 1967 | 313.6 m | 19,202 |
| FLORENCE RD BNSF RR | Washington | Fair | 1960 | 213.1 m | 19,200 |
| CITY MAINT STORAGE | Washington | Good | 2001 | 28.0 m | 19,198 |
| SR 524/196TH ST SW | Washington | Poor | 1999 | 108.5 m | 19,198 |
| SKAGIT RIVER | Washington | Fair | 1953 | 205.9 m | 19,163 |
| TRANSMT. OIL PIPELINE | Washington | Good | 1972 | 22.3 m | 19,145 |
| JENKINS CREEK | Washington | Fair | 2002 | 19.8 m | 19,144 |
| SR 202 & BIKE PATH | Washington | Fair | 1995 | 141.1 m | 19,104 |
| I-405 | Washington | Fair | 1968 | 76.8 m | 19,064 |
| ARGO RR YARD | Washington | Fair | 1935 | 775.4 m | 19,000 |
| SWAMP CREEK | Washington | Fair | 1935 | 9.4 m | 18,981 |
| TALAPUS CREEK | Washington | Good | 1972 | 6.7 m | 18,981 |
| TALAPUS CR TRIBUTARY | Washington | Good | 1972 | 6.7 m | 18,981 |
| TALAPUS CR TRIBUTARY | Washington | Good | 1972 | 6.4 m | 18,981 |
| TALAPUS CREEK | Washington | Good | 1972 | 6.7 m | 18,981 |
| I-5 (SB LANES ONLY) | Washington | Good | 1966 | 91.7 m | 18,948 |
| I-90 | Washington | Fair | 1973 | 123.1 m | 18,919 |
| I-90 | Washington | Good | 1973 | 122.8 m | 18,919 |
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.