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 |
|---|---|---|---|---|---|
| NANCE CANYON | California | Good | 1952 | 27.4 m | 28,250 |
| SYCAMORE CREEK | California | Good | 1974 | 8.5 m | 28,237 |
| SAN RAMON CREEK | California | Fair | 1965 | 23.5 m | 28,237 |
| MOREY ARROYO | California | Good | 1957 | 7.0 m | 28,200 |
| NO NAME CREEK | California | Good | 1955 | 6.3 m | 28,183 |
| RR | California | Fair | 2007 | 90.5 m | 28,154 |
| RR | California | Fair | 2007 | 82.5 m | 28,154 |
| STATE ROUTE 55 | California | Good | 1999 | 103.5 m | 28,130 |
| SANTA ANA DELHI CHANNEL | California | Fair | 1999 | 88.0 m | 28,130 |
| AIRPORT ACCESS ROAD | California | Good | 1990 | 329.4 m | 28,118 |
| CARBON CREEK CHANNEL | California | Good | 1959 | 14.4 m | 28,100 |
| STATE ROUTE 78 | California | Good | 1962 | 82.9 m | 28,100 |
| HERNDON CANAL | California | Good | 1941 | 17.5 m | 28,100 |
| IRIS CANYON ROAD | California | Good | 1968 | 37.8 m | 28,000 |
| IRIS CANYON ROAD | California | Good | 1968 | 37.8 m | 28,000 |
| SOLEDAD DRIVE | California | Good | 1968 | 44.8 m | 28,000 |
| BRADBURY FLOOD CTRL CH | California | Good | 1968 | 44.0 m | 28,000 |
| LACMTA & BNSF RY | California | Good | 1970 | 124.4 m | 28,000 |
| SOLEDAD DRIVE | California | Good | 1968 | 50.3 m | 28,000 |
| BEAR RIVER | California | Fair | 1961 | 75.0 m | 28,000 |
| SAN JOAQUIN RIVER OVRFLO | California | Good | 1999 | 44.5 m | 28,000 |
| SAN JOAQUIN RIVER OVRFLO | California | Good | 1999 | 44.5 m | 28,000 |
| AVENUE 11 | California | Good | 2000 | 37.8 m | 28,000 |
| AVENUE 9 | California | Good | 1999 | 41.3 m | 28,000 |
| NORTH FORK DRY CREEK | California | Good | 1993 | 21.9 m | 28,000 |
| SOUTH FORK DRY CREEK | California | Good | 1993 | 27.4 m | 28,000 |
| ROCK CREEK | California | Good | 1979 | 11.6 m | 28,000 |
| STATE ROUTE 4 | California | Good | 2004 | 86.0 m | 28,000 |
| AVENUE 9 | California | Fair | 1999 | 41.3 m | 28,000 |
| ANAHEIM-BARBER CITY CHAN | California | Good | 1963 | 7.9 m | 28,000 |
| FREMONT ST-N1 & AGUAJITO | California | Good | 1968 | 122.7 m | 28,000 |
| FREMONT ST-N1 & AGUAJITO | California | Good | 1968 | 103.7 m | 28,000 |
| N1-MUNRAS AVE OFF RAMP | California | Good | 1968 | 38.4 m | 28,000 |
| DRY CREEK | California | Good | 1974 | 25.6 m | 28,000 |
| DRY CREEK | California | Good | 1974 | 21.3 m | 28,000 |
| N1-MUNRAS AVE OFF RAMP | California | Good | 1968 | 38.4 m | 28,000 |
| MERCED RIVER | California | Good | 1997 | 115.0 m | 28,000 |
| MERCED RIVER | California | Fair | 1999 | 113.7 m | 28,000 |
| FRANKLIN SLOUGH | California | Good | 1947 | 28.4 m | 28,000 |
| SANTA ANA RIVER CHANNEL | California | Good | 1970 | 130.1 m | 28,000 |
| LYTLE CREEK | California | Fair | 1967 | 102.4 m | 28,000 |
| WEBBER CANAL | California | Fair | 1919 | 9.1 m | 28,000 |
| INTERSTATE 5 | California | Good | 2000 | 141.0 m | 28,000 |
| WEBBER CANAL | California | Fair | 1947 | 20.1 m | 28,000 |
| CCID MAIN CANAL | California | Fair | 1923 | 17.1 m | 28,000 |
| NIPOMO CREEK | California | Good | 1957 | 39.0 m | 28,000 |
| FLAT DITCH | California | Good | 1963 | 30.0 m | 28,000 |
| FLAT DITCH | California | Fair | 1963 | 30.0 m | 28,000 |
| ESCONDIDO BLVD | California | Fair | 1967 | 46.9 m | 28,000 |
| UP RR AMTRAK FRADY LN | California | Good | 1956 | 86.2 m | 28,000 |
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.