Browse Bridge Database
12,684 bridges in the FHWA National Bridge Inventory in Louisiana.
National Bridge Inventory Database
Browse 12,684 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 |
|---|---|---|---|---|---|
| BAYOU BLACK | Louisiana | Fair | 1972 | 23.2 m | 557 |
| LITTLE BAYOU BLACK | Louisiana | Good | 1996 | 23.2 m | 557 |
| I-10 RAMP | Louisiana | Fair | 1972 | 77.1 m | 557 |
| I-10 RAMP | Louisiana | Fair | 1972 | 39.9 m | 557 |
| BAYOU GROSSE TETE | Louisiana | Fair | 1972 | 61.0 m | 557 |
| BAYOU GROSSE TETE | Louisiana | Fair | 1972 | 61.0 m | 557 |
| YELLOW WATER CREEK | Louisiana | Fair | 1993 | 27.1 m | 557 |
| CYPRESS CREEK | Louisiana | Fair | 1951 | 61.0 m | 556 |
| FRENCH CREEK | Louisiana | Good | 1999 | 24.4 m | 555 |
| NEW RIVER | Louisiana | Good | 1975 | 45.7 m | 555 |
| HOUSTON RIVER | Louisiana | Fair | 2003 | 6.7 m | 554 |
| SWEETWATER CR. | Louisiana | Poor | 1975 | 14.3 m | 554 |
| DEBLANC COULEE | Louisiana | Fair | 1942 | 23.5 m | 553 |
| CREEK | Louisiana | Fair | 1968 | 11.6 m | 553 |
| Monte Sano Bayou | Louisiana | Good | 2024 | 18.3 m | 553 |
| CAL SHIP CHANNEL | Louisiana | Poor | 1965 | 14.9 m | 552 |
| LACOMBE BAYOU | Louisiana | Good | 2013 | 24.4 m | 552 |
| BAYOU LAFOURCHE @ MUNSON | Louisiana | Fair | 1976 | 52.1 m | 551 |
| BAYOU CHOCTAW | Louisiana | Good | 2019 | 48.8 m | 551 |
| BAYOU TIGRIS | Louisiana | Poor | 1955 | 38.4 m | 551 |
| BAYOU DANIEL | Louisiana | Fair | 1955 | 46.3 m | 551 |
| BAYOU BLACK | Louisiana | Fair | 1970 | 11.6 m | 551 |
| LEVY CANAL | Louisiana | Fair | 1962 | 17.4 m | 551 |
| CREEK | Louisiana | Fair | 1975 | 11.9 m | 551 |
| LITTLE NATALBANY BRIDGE | Louisiana | Good | 1999 | 36.0 m | 551 |
| COULEE | Louisiana | Good | 1965 | 11.6 m | 550 |
| DRAINAGE BAYOU | Louisiana | Good | 2000 | 8.2 m | 550 |
| I-49 | Louisiana | Good | 2013 | 152.4 m | 550 |
| MAB BRANCH | Louisiana | Fair | 1979 | 11.6 m | 550 |
| MILL CREEK | Louisiana | Poor | 1966 | 23.8 m | 550 |
| LITTLE RIVER | Louisiana | Fair | 1998 | 75.3 m | 550 |
| ST MAURICE DITCH | Louisiana | Good | 1993 | 8.5 m | 550 |
| DYSON CREEK | Louisiana | Fair | 1990 | 9.8 m | 550 |
| Gum Springs Creek | Louisiana | Fair | 1970 | 12.2 m | 550 |
| WALLACE RIDGE | Louisiana | Fair | 1980 | 40.5 m | 550 |
| BAYOU | Louisiana | Fair | 1976 | 11.6 m | 550 |
| BAYOU | Louisiana | Fair | 1979 | 17.4 m | 550 |
| CREEK | Louisiana | Good | 1979 | 11.6 m | 550 |
| LEVEE BORROW PIT | Louisiana | Good | 2014 | 61.0 m | 550 |
| CREEK BRIDGE | Louisiana | Poor | 1978 | 11.3 m | 550 |
| DUMPLIN CREEK BRIDGE | Louisiana | Fair | 1996 | 9.8 m | 550 |
| FRENCH BRANCH | Louisiana | Good | 2001 | 29.0 m | 550 |
| WASHLEY CREEK | Louisiana | Good | 1985 | 29.0 m | 550 |
| Iron Branch | Louisiana | Good | 2022 | 11.3 m | 549 |
| SADDLE TREE LAKE | Louisiana | Good | 1990 | 80.8 m | 549 |
| BIG BRANCH | Louisiana | Good | 1984 | 23.2 m | 549 |
| DRAINAGE CANAL | Louisiana | Fair | 1979 | 17.4 m | 548 |
| CREEK | Louisiana | Fair | 1962 | 7.6 m | 547 |
| CREEK | Louisiana | Fair | 1962 | 9.1 m | 547 |
| CREEK | Louisiana | Fair | 1962 | 11.9 m | 547 |
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.