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 |
|---|---|---|---|---|---|
| DRAIN | Louisiana | Fair | 1963 | 24.4 m | 3,684 |
| CREEK | Louisiana | Fair | 1959 | 9.8 m | 3,675 |
| THOMPSON CREEK | Louisiana | Fair | 1959 | 165.2 m | 3,675 |
| DARBONNE BAYOU | Louisiana | Poor | 1962 | 201.2 m | 3,674 |
| CROSS BAYOU | Louisiana | Fair | 1952 | 36.6 m | 3,674 |
| CLEAR CREEK | Louisiana | Fair | 1968 | 48.8 m | 3,666 |
| DRAIN | Louisiana | Fair | 1956 | 8.2 m | 3,664 |
| BLACK WATER BAYOU | Louisiana | Good | 2016 | 24.4 m | 3,664 |
| LOREAUVILLE CANAL | Louisiana | Good | 2004 | 66.1 m | 3,661 |
| Bayou Fountain | Louisiana | Good | 1976 | 6.4 m | 3,661 |
| I-55 | Louisiana | Fair | 1970 | 84.1 m | 3,660 |
| UNION PACIFIC RAILROAD | Louisiana | Fair | 1984 | 83.8 m | 3,654 |
| OFFRAMP-ELY. FDS. | Louisiana | Good | 1974 | 201.2 m | 3,652 |
| ANSELM COULEE | Louisiana | Good | 2002 | 18.3 m | 3,650 |
| GUM GULLY | Louisiana | Fair | 1954 | 11.3 m | 3,645 |
| LITTLE BAYOU BLACK | Louisiana | Good | 2020 | 21.0 m | 3,645 |
| LAFOURCHE BAYOU | Louisiana | Fair | 1956 | 58.5 m | 3,633 |
| MILL POND CREEK | Louisiana | Fair | 1993 | 30.5 m | 3,620 |
| I-20 | Louisiana | Fair | 1960 | 93.6 m | 3,620 |
| I-20 | Louisiana | Poor | 1960 | 92.0 m | 3,620 |
| I 20 | Louisiana | Fair | 1960 | 122.5 m | 3,620 |
| Canal | Louisiana | Good | 2020 | 8.2 m | 3,615 |
| DRAIN | Louisiana | Good | 1997 | 7.0 m | 3,612 |
| I-10 | Louisiana | Fair | 1964 | 67.1 m | 3,610 |
| I-55 | Louisiana | Good | 1970 | 70.7 m | 3,610 |
| I 20 | Louisiana | Poor | 1960 | 102.7 m | 3,600 |
| I0020 | Louisiana | Poor | 1960 | 93.6 m | 3,600 |
| I 20 | Louisiana | Fair | 1960 | 90.5 m | 3,600 |
| COULEE | Louisiana | Good | 1993 | 23.2 m | 3,600 |
| CASTOR BAYOU TRIB. | Louisiana | Poor | 1970 | 11.6 m | 3,600 |
| DRAIN | Louisiana | Fair | 1957 | 14.3 m | 3,596 |
| I-10 | Louisiana | Fair | 1965 | 67.1 m | 3,596 |
| DRAIN | Louisiana | Fair | 1957 | 8.2 m | 3,596 |
| DRAIN | Louisiana | Fair | 1957 | 7.0 m | 3,596 |
| GUM GULLEY | Louisiana | Fair | 1957 | 16.2 m | 3,596 |
| BRUSHY BAYOU | Louisiana | Fair | 1987 | 61.0 m | 3,594 |
| DINDE BAYOU | Louisiana | Fair | 2021 | 54.9 m | 3,593 |
| SLEDGE CANAL | Louisiana | Good | 2014 | 24.4 m | 3,591 |
| COULEE DEJON | Louisiana | Good | 2014 | 30.5 m | 3,591 |
| BAYOU SAN PATRICIO | Louisiana | Fair | 1977 | 183.5 m | 3,585 |
| KCS RR | Louisiana | Fair | 2003 | 68.6 m | 3,585 |
| LITTLE INDIAN BAYOU | Louisiana | Fair | 2021 | 36.6 m | 3,580 |
| DRAIN | Louisiana | Good | 2010 | 7.3 m | 3,571 |
| LITTLE CHAPPEPEELA CREEK | Louisiana | Good | 2016 | 42.7 m | 3,571 |
| DRAIN | Louisiana | Fair | 1954 | 22.9 m | 3,571 |
| Spring Creek | Louisiana | Good | 2019 | 36.6 m | 3,571 |
| Drain | Louisiana | Good | 2019 | 48.8 m | 3,571 |
| COLEMAN BAYOU | Louisiana | Fair | 1924 | 10.4 m | 3,570 |
| CREEK | Louisiana | Fair | 1956 | 6.7 m | 3,570 |
| KAYOUCHE COULEE | Louisiana | Fair | 2012 | 30.5 m | 3,569 |
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.