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 |
|---|---|---|---|---|---|
| ANZAR ROAD | California | Good | 1972 | 40.8 m | 32,000 |
| SONOMA CREEK | California | Fair | 1969 | 549.9 m | 32,000 |
| STATE ROUTE 99 | California | Fair | 1957 | 33.8 m | 32,000 |
| WINCHESTER CREEK | California | Fair | 1929 | 7.9 m | 32,000 |
| SANTA ANA RIVER | California | Fair | 1992 | 171.6 m | 32,000 |
| STATE ROUTE 237 | California | Fair | 1966 | 83.5 m | 32,000 |
| STATE ROUTE 237 | California | Fair | 1966 | 83.5 m | 32,000 |
| STATE ROUTE 17 | California | Fair | 1961 | 70.7 m | 32,000 |
| ALISO CREEK | California | Good | 1954 | 19.8 m | 31,982 |
| MCDONNELL RD | California | Fair | 1970 | 38.4 m | 31,980 |
| INTERSTATE 5 | California | Poor | 1973 | 65.5 m | 31,977 |
| LOS ANGELES RIVER | California | Good | 1957 | 55.7 m | 31,961 |
| LOS ANGELES RIVER | California | Good | 1952 | 23.2 m | 31,941 |
| CONN BUSWAY METROLINK | California | Good | 1959 | 111.8 m | 31,909 |
| 23 ST WASHINGTON BNSF | California | Fair | 2002 | 216.7 m | 31,907 |
| STATE ROUTE 103 | California | Fair | 1948 | 62.2 m | 31,900 |
| GUADALUPE RIVER | California | Good | 1975 | 40.2 m | 31,900 |
| U.S. HIGHWAY 101 | California | Fair | 1993 | 84.3 m | 31,831 |
| UP RR & AMTRAK | California | Good | 1961 | 55.5 m | 31,814 |
| WALNUT CRK | California | Poor | 1958 | 35.7 m | 31,805 |
| COYOTE CREEK CHANNEL | California | Good | 1972 | 22.3 m | 31,800 |
| LOS CERRITOS DRN CHAN | California | Good | 1942 | 9.8 m | 31,800 |
| WALNUT CRK | California | Good | 1962 | 25.0 m | 31,764 |
| ROUTE 163 & CONN RAMPS | California | Good | 1972 | 99.1 m | 31,700 |
| SAN LORENZO CREEK | California | Fair | 1954 | 22.4 m | 31,700 |
| SAN SEVAINE CREEK | California | Fair | 1990 | 26.7 m | 31,700 |
| TUJUNGA WASH | California | Good | 1950 | 23.8 m | 31,600 |
| SANTIAGO CREEK CHANNEL | California | Poor | 1939 | 57.9 m | 31,600 |
| STATE ROUTE 41 | California | Fair | 1972 | 73.2 m | 31,600 |
| 120TH STREET | California | Good | 1989 | 50.3 m | 31,572 |
| I 10 & CONN | California | Fair | 1972 | 246.0 m | 31,550 |
| CAMERON PARK DR | California | Fair | 1970 | 34.1 m | 31,500 |
| STATE ROUTE 82 | California | Good | 1963 | 56.7 m | 31,500 |
| STATE ROUTE 82 | California | Good | 1963 | 56.7 m | 31,500 |
| I 10 & CONN | California | Fair | 1972 | 250.5 m | 31,500 |
| I-8 I-5 RAMPS BNSF AMTRA | California | Fair | 1969 | 553.8 m | 31,500 |
| PUDDINGSTONE CHANNEL | California | Fair | 1970 | 7.3 m | 31,500 |
| UP RR AMTRAK STEEL RD | California | Fair | 1959 | 230.7 m | 31,500 |
| S101-E12 CONNECTOR RAMP | California | Fair | 1964 | 34.7 m | 31,500 |
| CUCAMONGA OVERFLOW | California | Fair | 1914 | 7.0 m | 31,500 |
| WILLOW SLOUGH | California | Good | 1958 | 18.4 m | 31,500 |
| WILLOW SLOUGH | California | Fair | 1927 | 18.5 m | 31,500 |
| LAGOON CREEK | California | Fair | 1958 | 54.9 m | 31,500 |
| COSUMNES RIVER OVERFLOW | California | Good | 1958 | 47.9 m | 31,500 |
| ROUTE 5 CONNS RAMPS | California | Good | 1962 | 94.8 m | 31,500 |
| BARRANCA CHANNEL | California | Poor | 1975 | 11.3 m | 31,500 |
| CAMERON PARK DR | California | Fair | 1970 | 34.1 m | 31,500 |
| RR INDUSTRIAL WY CREEK | California | Fair | 1966 | 523.6 m | 31,500 |
| RR INDUSTRIAL WY CREEK | California | Fair | 1966 | 523.6 m | 31,500 |
| SOUTH LAGOON CREEK | California | Good | 1958 | 27.4 m | 31,500 |
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.