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 |
|---|---|---|---|---|---|
| CREEK | Louisiana | Good | 2013 | 24.4 m | 700 |
| CREEK | Louisiana | Poor | 1964 | 12.2 m | 700 |
| Black River | Louisiana | Good | 2021 | 18.3 m | 700 |
| CANAL | Louisiana | Fair | 1984 | 17.4 m | 700 |
| MUDDY BAYOU | Louisiana | Good | 2020 | 30.5 m | 698 |
| BIG CREEK | Louisiana | Fair | 1975 | 124.1 m | 698 |
| PRICKET BAYOU | Louisiana | Fair | 1984 | 11.9 m | 698 |
| INDIAN CREEK | Louisiana | Poor | 1976 | 35.1 m | 697 |
| CANEY CREEK | Louisiana | Fair | 1992 | 36.6 m | 693 |
| CREEK | Louisiana | Good | 1984 | 11.6 m | 693 |
| LITTLE COLEWA BAYOU | Louisiana | Fair | 1954 | 30.5 m | 692 |
| LATERAL 4 | Louisiana | Fair | 2002 | 17.4 m | 692 |
| LATERAL 4B | Louisiana | Fair | 2002 | 17.4 m | 692 |
| GRAND BAYOU | Louisiana | Fair | 1972 | 122.2 m | 691 |
| GRAND BAYOU RELIEF | Louisiana | Poor | 1976 | 46.6 m | 691 |
| LEBLEU BAYOU | Louisiana | Fair | 1985 | 23.5 m | 691 |
| CYPRESS BRANCH | Louisiana | Fair | 1947 | 219.5 m | 690 |
| BAYOU TORO | Louisiana | Fair | 1965 | 109.7 m | 688 |
| SILVER CREEK | Louisiana | Fair | 1960 | 61.0 m | 688 |
| MIDDLE RELIEF | Louisiana | Good | 1960 | 36.6 m | 688 |
| NORTH RELIEF | Louisiana | Good | 1960 | 30.5 m | 688 |
| LAW CANAL | Louisiana | Fair | 1992 | 17.7 m | 688 |
| BOGUE CHITTO BR | Louisiana | Fair | 1960 | 24.4 m | 688 |
| DRAIN | Louisiana | Fair | 1967 | 35.1 m | 688 |
| DRAIN | Louisiana | Fair | 1967 | 46.3 m | 688 |
| HAYS CREEK | Louisiana | Fair | 1981 | 23.5 m | 688 |
| KIESCHE CREEK TRIB. | Louisiana | Good | 1996 | 7.3 m | 687 |
| LITTLE KIESCHE CREEK | Louisiana | Poor | 1974 | 23.5 m | 687 |
| PATRICK BAYOU | Louisiana | Fair | 1993 | 10.4 m | 686 |
| BAYOU BOURBEAUX | Louisiana | Good | 1992 | 24.4 m | 684 |
| TOLEDO BEND RESERVOIR | Louisiana | Fair | 1963 | 251.8 m | 684 |
| CANAL | Louisiana | Fair | 1999 | 23.2 m | 683 |
| CREEK | Louisiana | Fair | 2023 | 18.3 m | 683 |
| NANTACHIE CREEK | Louisiana | Fair | 1982 | 67.1 m | 683 |
| NANTACHIE CREEK RELIEF | Louisiana | Fair | 1982 | 121.9 m | 683 |
| DRAIN | Louisiana | Fair | 1993 | 7.9 m | 683 |
| DARTIGO CREEK | Louisiana | Good | 1993 | 73.2 m | 683 |
| PARASOL BAYOU | Louisiana | Good | 1988 | 30.5 m | 683 |
| CREEK | Louisiana | Poor | 1988 | 9.1 m | 683 |
| HURLEY CREEK | Louisiana | Fair | 2000 | 54.9 m | 683 |
| IATT CREEK | Louisiana | Good | 1999 | 61.0 m | 683 |
| UNNAMED CREEK | Louisiana | Good | 1999 | 22.3 m | 683 |
| BLACK CREEK | Louisiana | Good | 1999 | 42.7 m | 683 |
| BLACK CREEK RELIEF | Louisiana | Good | 1999 | 36.6 m | 683 |
| DRAIN | Louisiana | Fair | 1999 | 7.9 m | 683 |
| SWAFFORD CREEK | Louisiana | Good | 1999 | 61.0 m | 683 |
| BEAVER CREEK | Louisiana | Good | 1999 | 23.8 m | 683 |
| LEVEE BARROW PIT | Louisiana | Fair | 2017 | 42.7 m | 681 |
| CREEK | Louisiana | Poor | 1970 | 17.7 m | 681 |
| VERMILLION RIVER | Louisiana | Good | 2017 | 48.8 m | 680 |
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.