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 |
|---|---|---|---|---|---|
| CURRENT SLOUGH | Louisiana | Fair | 2022 | 195.1 m | 4,600 |
| OLD RIVER SLOUGH | Louisiana | Fair | 2022 | 207.3 m | 4,600 |
| ASHWORTH SLOUGH | Louisiana | Good | 2023 | 121.9 m | 4,600 |
| DITCH | Louisiana | Good | 1989 | 7.6 m | 4,598 |
| BLACK BAYOU | Louisiana | Poor | 1967 | 58.8 m | 4,595 |
| CYPRESS BAYOU | Louisiana | Fair | 1973 | 96.9 m | 4,595 |
| LITTLE CANEY BAYOU | Louisiana | Fair | 1978 | 17.7 m | 4,595 |
| GUY BAYOU | Louisiana | Fair | 1992 | 17.4 m | 4,593 |
| CREEK | Louisiana | Good | 1995 | 10.4 m | 4,592 |
| LITTLE TURKEY CREEK | Louisiana | Good | 1994 | 24.4 m | 4,592 |
| TENSAS RIVER @ CLAYTON | Louisiana | Poor | 1971 | 176.5 m | 4,592 |
| CREEK | Louisiana | Good | 2002 | 29.0 m | 4,592 |
| STOKES BAYOU | Louisiana | Good | 2007 | 18.3 m | 4,592 |
| DEER CREEK | Louisiana | Good | 1999 | 91.4 m | 4,592 |
| ISAAC VEROT COULEE | Louisiana | Good | 2015 | 15.2 m | 4,590 |
| BUBBLING BAYOU | Louisiana | Good | 1995 | 24.4 m | 4,583 |
| PHILLIPS CANAL | Louisiana | Good | 1994 | 30.5 m | 4,583 |
| ICWW - ELLENDERS | Louisiana | Fair | 1977 | 885.1 m | 4,583 |
| BAYOU TERREBONNE | Louisiana | Good | 1990 | 8.2 m | 4,583 |
| EDEN ISLES CANAL | Louisiana | Fair | 1974 | 20.4 m | 4,576 |
| BAYOU FUSELIER | Louisiana | Fair | 1961 | 48.8 m | 4,574 |
| ROMERO CANAL | Louisiana | Good | 2004 | 24.4 m | 4,573 |
| Drainage Bayou | Louisiana | Good | 2019 | 24.4 m | 4,570 |
| MUNDY BAYOU | Louisiana | Good | 1986 | 30.5 m | 4,563 |
| PORTAGE CANAL #1 | Louisiana | Good | 2009 | 42.7 m | 4,563 |
| CHALMETTE VISTA CANAL | Louisiana | Poor | 1960 | 12.2 m | 4,562 |
| BAYOU VINCENT BRIDGE | Louisiana | Fair | 1986 | 17.4 m | 4,561 |
| CREEK | Louisiana | Good | 2010 | 21.9 m | 4,559 |
| UP RR & LA 1230 | Louisiana | Fair | 2009 | 572.4 m | 4,538 |
| LITTLE RIVER | Louisiana | Good | 2008 | 201.2 m | 4,538 |
| COCKERHAM CREEK | Louisiana | Good | 2008 | 100.6 m | 4,538 |
| LITTLE RIVER RELIEF | Louisiana | Fair | 2008 | 160.9 m | 4,538 |
| CREEK | Louisiana | Good | 2009 | 71.9 m | 4,538 |
| CREEK | Louisiana | Fair | 1956 | 10.4 m | 4,538 |
| CANAL | Louisiana | Fair | 1973 | 23.5 m | 4,534 |
| COLVIN CREEK | Louisiana | Fair | 2017 | 19.2 m | 4,527 |
| FR. RD KCS RR UP RR | Louisiana | Good | 2011 | 205.7 m | 4,516 |
| BAXTER BAYOU | Louisiana | Good | 2003 | 42.1 m | 4,507 |
| CREEK | Louisiana | Fair | 1970 | 23.2 m | 4,504 |
| BAYOU ZOURIE BRANCH | Louisiana | Fair | 1978 | 61.0 m | 4,500 |
| BAYOU ZOURIE BRANCH | Louisiana | Fair | 1978 | 24.4 m | 4,500 |
| I-10 | Louisiana | Fair | 1965 | 70.1 m | 4,500 |
| DEER CREEK | Louisiana | Good | 1999 | 91.4 m | 4,500 |
| I-10 | Louisiana | Fair | 1965 | 70.1 m | 4,500 |
| KCS RAILROAD | Louisiana | Fair | 1978 | 48.9 m | 4,500 |
| CREEK | Louisiana | Fair | 2009 | 30.5 m | 4,494 |
| BAYOU NA BONCHASSE RELIE | Louisiana | Good | 2000 | 7.6 m | 4,494 |
| BAYOU SARA (BACKWATER) | Louisiana | Fair | 1980 | 43.3 m | 4,492 |
| BIG BAYOU SARA | Louisiana | Fair | 1949 | 218.8 m | 4,492 |
| CREEK | Louisiana | Fair | 1940 | 7.0 m | 4,492 |
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.