Browse Bridge Database
25,975 bridges in the FHWA National Bridge Inventory in California.
National Bridge Inventory Database
Browse 25,975 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 |
|---|---|---|---|---|---|
| TULE RIV & POPLAR DITCH | California | Good | 1953 | 178.6 m | 21,000 |
| OUTSIDE CREEK | California | Fair | 1921 | 14.9 m | 21,000 |
| INSIDE CREEK | California | Fair | 1921 | 13.1 m | 21,000 |
| WILLOW CANAL | California | Good | 1921 | 8.2 m | 21,000 |
| OUTSIDE CREEK | California | Good | 1934 | 14.9 m | 21,000 |
| ALISO CREEK & EL TORO RD | California | Fair | 1995 | 319.1 m | 21,000 |
| PALO ALTO TRAIL | California | Good | 2001 | 40.3 m | 21,000 |
| PALO ALTO TRAIL | California | Good | 2001 | 40.3 m | 21,000 |
| SIERRA AVE | California | Good | 1999 | 73.0 m | 21,000 |
| SIERRA AVE | California | Good | 1999 | 74.3 m | 21,000 |
| STATE ROUTE 140 | California | Fair | 1962 | 22.7 m | 21,000 |
| STATE ROUTE 140 | California | Fair | 1962 | 23.2 m | 21,000 |
| MELINDA ROAD | California | Fair | 1995 | 50.7 m | 21,000 |
| INTERSTATE 10 | California | Good | 1993 | 82.9 m | 21,000 |
| N55-BAKER ST OFF-RAMP | California | Good | 1976 | 56.1 m | 21,000 |
| MELINDA ROAD | California | Fair | 1995 | 50.0 m | 21,000 |
| STATE ROUTE 55 | California | Good | 1997 | 79.4 m | 21,000 |
| I 5 & CONNECTOR RAMPS | California | Good | 1995 | 227.4 m | 21,000 |
| STATE ROUTE 133 | California | Fair | 1990 | 84.4 m | 21,000 |
| UPPER OSO RESERVOIR | California | Fair | 1995 | 469.1 m | 21,000 |
| INTERSTATE 10 | California | Good | 1967 | 97.5 m | 21,000 |
| UPPER OSO RESERVOIR | California | Fair | 1995 | 469.1 m | 21,000 |
| INTERSTATE ROUTE 5 | California | Fair | 1971 | 109.7 m | 20,967 |
| WARM SPRING CREEK | California | Good | 2016 | 48.7 m | 20,943 |
| SAN SEVAINE CHANNEL | California | Fair | 2002 | 53.3 m | 20,930 |
| FAIRMOUNT AVE | California | Fair | 1996 | 75.0 m | 20,929 |
| DRAINAGE LINE F | California | Good | 1997 | 13.1 m | 20,916 |
| MISSION CHANNEL | California | Fair | 1966 | 44.5 m | 20,910 |
| MISSION CHANNEL OVERFLOW | California | Fair | 1966 | 43.3 m | 20,910 |
| WALNUT CREEK | California | Fair | 1971 | 19.8 m | 20,905 |
| BARTD UPRR SAN LEANDRO | California | Fair | 1966 | 274.0 m | 20,904 |
| LION CREEK | California | Good | 1940 | 10.7 m | 20,904 |
| BRADLEY CHANNEL | California | Fair | 1974 | 9.4 m | 20,900 |
| SPRECKLES ROAD | California | Fair | 1980 | 33.2 m | 20,900 |
| UP RR & MOFFAT BLVD | California | Good | 1995 | 151.2 m | 20,900 |
| SPRECKLES ROAD | California | Fair | 1995 | 33.5 m | 20,900 |
| UP RR & MOFFAT BLVD | California | Fair | 1980 | 118.4 m | 20,900 |
| AUSTIN CREEK | California | Good | 1964 | 8.2 m | 20,900 |
| ALICIA CREEK | California | Fair | 1968 | 7.0 m | 20,900 |
| ESCONDIDO CREEK | California | Fair | 1970 | 21.0 m | 20,900 |
| US HWY 101 (@PM 90.75) | California | Fair | 1962 | 60.6 m | 20,900 |
| ARROYO SAN JOSE | California | Fair | 1970 | 17.4 m | 20,883 |
| SAN GABRIEL RIV | California | Fair | 1964 | 110.0 m | 20,882 |
| SAN GABRIEL RIV | California | Fair | 1964 | 78.0 m | 20,882 |
| EQUESTRIAN UNDERPASS | California | Fair | 1989 | 7.7 m | 20,880 |
| SAN SEVAINE CHANNEL | California | Fair | 1988 | 14.3 m | 20,862 |
| LOS ANGELES RIVER | California | Good | 1949 | 43.3 m | 20,856 |
| EL DORADO STREET | California | Good | 2013 | 115.1 m | 20,818 |
| MCKINLEY UPRR PANATONI | California | Fair | 2013 | 126.6 m | 20,818 |
| FRENCH CAMP SLOUGH | California | Fair | 2013 | 46.9 m | 20,818 |
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.