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 |
|---|---|---|---|---|---|
| CR | Louisiana | Good | 2008 | 18.3 m | 500 |
| I C RAILROAD | Louisiana | Good | 1984 | 43.3 m | 500 |
| CYPRESS BAYOU | Louisiana | Fair | 2003 | 53.9 m | 500 |
| BRUSHY BAYOU | Louisiana | Fair | 1983 | 57.0 m | 500 |
| TALLA BENA BAYOU | Louisiana | Good | 2003 | 18.0 m | 500 |
| DRAINAGE CANAL | Louisiana | Fair | 2008 | 11.6 m | 500 |
| N TUPAWEK BAYOU | Louisiana | Good | 2024 | 13.4 m | 500 |
| YOUNGS BAYOU DRAIN CANAL | Louisiana | Fair | 1975 | 11.6 m | 500 |
| DESIARD BAYOU | Louisiana | Fair | 1966 | 119.8 m | 500 |
| HICKORY BRANCH | Louisiana | Fair | 1983 | 34.7 m | 500 |
| WELSH DRAINAGE CANAL | Louisiana | Poor | 1983 | 17.4 m | 500 |
| WELSH DRAINAGE CANAL | Louisiana | Poor | 1983 | 17.4 m | 500 |
| SHINGLE MILL BRANCH | Louisiana | Fair | 1981 | 23.8 m | 500 |
| SHINGLE MILL CREEK | Louisiana | Fair | 1981 | 23.8 m | 500 |
| GORDIE BRANCH | Louisiana | Fair | 1977 | 12.2 m | 500 |
| BALL BRANCH | Louisiana | Fair | 1981 | 23.8 m | 500 |
| TWO MILE BRANCH | Louisiana | Fair | 1981 | 12.2 m | 500 |
| YELLOW BRANCH | Louisiana | Good | 1994 | 30.5 m | 500 |
| UNNAMED BRANCH | Louisiana | Good | 1994 | 10.1 m | 500 |
| ASH SLOUGH | Louisiana | Good | 2007 | 23.2 m | 500 |
| TURKEY CREEK | Louisiana | Good | 2004 | 30.5 m | 500 |
| NEW RIVER CANAL | Louisiana | Good | 1998 | 29.0 m | 500 |
| NEW RIVER CANAL | Louisiana | Fair | 1991 | 23.2 m | 500 |
| DUCK ROOST BAYOU | Louisiana | Poor | 1994 | 17.7 m | 500 |
| NEW RIVER CANAL | Louisiana | Good | 1999 | 29.0 m | 500 |
| BAYOU NARCISSE | Louisiana | Fair | 1994 | 23.2 m | 500 |
| BLACK BAYOU | Louisiana | Good | 1984 | 29.0 m | 500 |
| GRAND GOUDINE BAYOU | Louisiana | Fair | 1970 | 11.6 m | 500 |
| BLACK BAYOU | Louisiana | Poor | 1980 | 11.6 m | 500 |
| BLACK BAYOU | Louisiana | Fair | 1973 | 17.4 m | 500 |
| CORPORATION CANAL | Louisiana | Good | 2009 | 32.9 m | 500 |
| DRAINAGE CANAL | Louisiana | Fair | 1978 | 17.4 m | 500 |
| ROBERTS CANAL | Louisiana | Good | 1996 | 24.7 m | 500 |
| BRUSHY BAYOU | Louisiana | Poor | 1967 | 11.9 m | 500 |
| BAYOU POYDRAS | Louisiana | Poor | 1973 | 9.8 m | 500 |
| CREEK | Louisiana | Good | 1998 | 12.2 m | 500 |
| MILLERS CANAL | Louisiana | Poor | 1978 | 17.4 m | 500 |
| WEST COYLELL CREEK | Louisiana | Good | 2007 | 30.5 m | 500 |
| MILLERS CANAL | Louisiana | Poor | 1978 | 11.6 m | 500 |
| COLYELL CREEK BRIDGE | Louisiana | Good | 1996 | 23.2 m | 500 |
| TAYLOR BRANCH | Louisiana | Fair | 1990 | 9.1 m | 500 |
| CREEK | Louisiana | Good | 2019 | 18.3 m | 500 |
| TWELVE MILE CREEK RELIEF | Louisiana | Good | 2009 | 29.9 m | 500 |
| Coffman Creek | Louisiana | Good | 2019 | 18.3 m | 500 |
| Branch | Louisiana | Good | 2019 | 18.3 m | 500 |
| Branch | Louisiana | Good | 2020 | 18.3 m | 500 |
| CANAL | Louisiana | Good | 2011 | 7.6 m | 500 |
| CANAL | Louisiana | Fair | 1974 | 11.6 m | 500 |
| CANAL | Louisiana | Poor | 1974 | 11.6 m | 500 |
| N CAUSEWAY APPR S BOUND | Louisiana | Good | 1993 | 45.7 m | 500 |
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.