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 MARINGOUIN | Louisiana | Good | 2024 | 25.6 m | 525 |
| HAMMER CREEK | Louisiana | Fair | 1973 | 29.0 m | 525 |
| THOMPSON CRK TRIB | Louisiana | Poor | 1969 | 29.0 m | 525 |
| THOMPSON CREEK TRIBUTARY | Louisiana | Poor | 1973 | 18.0 m | 525 |
| BAYOU CREAUX | Louisiana | Fair | 1973 | 29.0 m | 524 |
| BRUSLY ST.MARTIN C. | Louisiana | Fair | 1973 | 17.4 m | 524 |
| GRAND BAYOU | Louisiana | Fair | 1973 | 41.1 m | 524 |
| 20 ARPENT CANAL | Louisiana | Good | 2015 | 19.8 m | 523 |
| CATFISH CANAL | Louisiana | Good | 1962 | 24.4 m | 523 |
| GILMER BAYOU | Louisiana | Fair | 1982 | 23.8 m | 521 |
| MO PAC RR | Louisiana | Good | 1994 | 430.7 m | 521 |
| COULEE | Louisiana | Fair | 1986 | 7.6 m | 520 |
| BAYOU BOURBE | Louisiana | Good | 1997 | 23.2 m | 520 |
| TRIBUTARY TO MILE CREEK | Louisiana | Fair | 1965 | 8.2 m | 520 |
| VALENTINE CREEK | Louisiana | Good | 2013 | 48.8 m | 520 |
| Drain | Louisiana | Good | 2019 | 6.7 m | 520 |
| COBURN CREEK | Louisiana | Good | 2010 | 17.7 m | 520 |
| LEES CREEK | Louisiana | Good | 1990 | 92.7 m | 520 |
| BIG COLEWA BAYOU | Louisiana | Fair | 1978 | 17.7 m | 519 |
| CREEK | Louisiana | Fair | 1978 | 17.7 m | 519 |
| TOM BRANCH | Louisiana | Good | 1962 | 24.4 m | 519 |
| KINGS BAYOU/COULEE CANAL | Louisiana | Fair | 2017 | 24.4 m | 517 |
| CANAL | Louisiana | Fair | 1991 | 12.2 m | 517 |
| BRUSHY CREEK | Louisiana | Poor | 1979 | 40.8 m | 517 |
| CREEK | Louisiana | Fair | 1976 | 17.4 m | 517 |
| 20 ARPENT CANAL | Louisiana | Good | 2015 | 15.2 m | 516 |
| BULL HOLE CANAL | Louisiana | Good | 2011 | 30.5 m | 516 |
| BLACK BAYOU | Louisiana | Good | 2001 | 17.4 m | 514 |
| CREEK | Louisiana | Good | 2001 | 11.6 m | 514 |
| NORRIS SPRINGS | Louisiana | Fair | 1983 | 11.6 m | 514 |
| LARTO LAKE BAYOU | Louisiana | Poor | 1958 | 34.7 m | 514 |
| UPPER GRAND R/B SORREL | Louisiana | Fair | 1965 | 103.9 m | 514 |
| MCGEE BRANCH | Louisiana | Good | 1992 | 24.4 m | 513 |
| BUCKET CREEK | Louisiana | Good | 1992 | 19.8 m | 513 |
| CREEK | Louisiana | Poor | 1975 | 11.9 m | 512 |
| CREEK | Louisiana | Fair | 1970 | 18.0 m | 511 |
| KLONDIKE CANAL | Louisiana | Fair | 1960 | 24.4 m | 511 |
| KLONDIKE CANAL | Louisiana | Fair | 1966 | 23.2 m | 511 |
| BAYOU | Louisiana | Poor | 1966 | 17.4 m | 511 |
| BIG CREEK | Louisiana | Good | 1996 | 201.2 m | 511 |
| BOGGY BRANCH | Louisiana | Good | 2010 | 8.8 m | 511 |
| PUSHEPATAPA CREEK | Louisiana | Good | 1984 | 40.5 m | 511 |
| Dartigo Creek | Louisiana | Good | 2021 | 61.0 m | 510 |
| Dartigo Creek | Louisiana | Good | 2021 | 30.5 m | 510 |
| Creek | Louisiana | Good | 2021 | 36.6 m | 510 |
| PARISH RD #4 ZOURIE BAYO | Louisiana | Good | 1983 | 46.6 m | 510 |
| I-10 | Louisiana | Fair | 1965 | 67.7 m | 509 |
| 20 ARPENT CANAL | Louisiana | Good | 2013 | 19.8 m | 507 |
| COULEE BATON | Louisiana | Good | 2002 | 29.9 m | 507 |
| BILL CANAL | Louisiana | Good | 2001 | 24.1 m | 507 |
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.