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 |
|---|---|---|---|---|---|
| RR I-10 | Louisiana | Poor | 1962 | 240.8 m | 3,766 |
| I-10 | Louisiana | Fair | 1964 | 67.1 m | 3,760 |
| Drainage Canal | Louisiana | Fair | 1970 | 15.2 m | 3,760 |
| CREEK | Louisiana | Good | 1996 | 29.0 m | 3,757 |
| INDIAN BAYOU | Louisiana | Poor | 1957 | 29.3 m | 3,757 |
| MORGAN BRANCH | Louisiana | Fair | 1954 | 23.5 m | 3,755 |
| BAYOU CHINCHUBA | Louisiana | Good | 2014 | 54.9 m | 3,755 |
| BAYOU CAPUCIN | Louisiana | Fair | 1976 | 40.5 m | 3,749 |
| BAYOU VERMILION | Louisiana | Fair | 1976 | 52.1 m | 3,749 |
| TCHEFUNCTE RIVER | Louisiana | Good | 1974 | 110.3 m | 3,747 |
| CHAPPEPEELA CREEK | Louisiana | Fair | 1974 | 42.7 m | 3,747 |
| SQUIRREL CREEK | Louisiana | Fair | 1974 | 42.7 m | 3,747 |
| JONES CREEK | Louisiana | Good | 2014 | 73.2 m | 3,740 |
| CANAL | Louisiana | Fair | 1964 | 8.2 m | 3,728 |
| BAYOU | Louisiana | Fair | 1991 | 14.9 m | 3,728 |
| DRAIN | Louisiana | Fair | 1995 | 11.6 m | 3,728 |
| GRAND MARAIS BAYOU | Louisiana | Fair | 1990 | 17.4 m | 3,728 |
| DRAIN | Louisiana | Fair | 1954 | 6.7 m | 3,728 |
| I-10 | Louisiana | Fair | 1964 | 67.7 m | 3,728 |
| BAYOU | Louisiana | Fair | 2009 | 17.4 m | 3,728 |
| Currys Creek | Louisiana | Good | 2024 | 18.3 m | 3,711 |
| BEAVER BAYOU | Louisiana | Poor | 1963 | 29.0 m | 3,710 |
| BOGGY BAYOU TRIBUTARY | Louisiana | Good | 2017 | 11.6 m | 3,700 |
| BOGGY BAYOU | Louisiana | Fair | 2016 | 54.9 m | 3,700 |
| BOGGY BAYOU RELIEF | Louisiana | Fair | 2016 | 42.7 m | 3,700 |
| PEARL RIVER | Louisiana | Good | 1998 | 982.1 m | 3,700 |
| BIG CREEK | Louisiana | Fair | 1992 | 91.4 m | 3,700 |
| DOULLUT CANAL | Louisiana | Fair | 2013 | 73.2 m | 3,700 |
| BAYOU FISHER | Louisiana | Fair | 1936 | 8.5 m | 3,698 |
| DRAINAGE CANAL | Louisiana | Good | 1984 | 36.6 m | 3,696 |
| DRAINAGE CANAL | Louisiana | Good | 1984 | 18.3 m | 3,696 |
| NORTH ST. OFF RAMP (N.B. | Louisiana | Fair | 1963 | 147.2 m | 3,692 |
| DRAIN CANAL @ SOUTHERN U | Louisiana | Fair | 1996 | 69.5 m | 3,691 |
| I-12 | Louisiana | Fair | 1973 | 80.8 m | 3,690 |
| BAYOU LACOMBE | Louisiana | Fair | 1953 | 29.6 m | 3,690 |
| DRAIN | Louisiana | Good | 1979 | 11.9 m | 3,689 |
| BOGUE FALAYA RIVER | Louisiana | Fair | 1978 | 29.3 m | 3,689 |
| BOGUE FALAYA RELIEF | Louisiana | Fair | 1978 | 17.7 m | 3,689 |
| DRAIN | Louisiana | Good | 1978 | 17.7 m | 3,689 |
| BEASON CREEK | Louisiana | Fair | 1979 | 35.1 m | 3,689 |
| PIGEON ROOST CREEK | Louisiana | Fair | 1980 | 23.5 m | 3,689 |
| PIGEON ROOST CREEK | Louisiana | Fair | 1980 | 23.5 m | 3,689 |
| BAYOU TERREBONNE | Louisiana | Poor | 1954 | 26.2 m | 3,687 |
| CARO CANAL | Louisiana | Fair | 1957 | 24.4 m | 3,687 |
| ELLIOT JONES CANAL | Louisiana | Good | 1952 | 30.5 m | 3,687 |
| DRAIN CANAL | Louisiana | Fair | 1931 | 19.5 m | 3,687 |
| DRAIN CANAL | Louisiana | Good | 1952 | 30.5 m | 3,687 |
| BAYOU BLACK | Louisiana | Fair | 1946 | 57.6 m | 3,687 |
| ST. LOUIS CANAL | Louisiana | Good | 2004 | 30.2 m | 3,687 |
| DRAIN | Louisiana | Fair | 1963 | 24.4 m | 3,684 |
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.