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 |
|---|---|---|---|---|---|
| BARRYS CREEK | Louisiana | Fair | 1960 | 36.6 m | 305 |
| COULEE ILE DES CANNES | Louisiana | Good | 2013 | 22.9 m | 304 |
| VALANCE DRAINAGE CANAL | Louisiana | Poor | 1974 | 17.4 m | 304 |
| UNAMED CREEK | Louisiana | Poor | 1975 | 14.3 m | 304 |
| Cole Gully | Louisiana | Poor | 1982 | 23.2 m | 303 |
| JOHNS GULLY | Louisiana | Fair | 1963 | 30.5 m | 303 |
| BUXTON MARSH | Louisiana | Fair | 1963 | 30.5 m | 303 |
| MARSH | Louisiana | Fair | 1963 | 30.5 m | 303 |
| MARSH | Louisiana | Fair | 1963 | 30.5 m | 303 |
| BEARHEAD CREEK | Louisiana | Fair | 1963 | 42.7 m | 303 |
| TRUDO CREEK | Louisiana | Good | 1996 | 12.8 m | 302 |
| BEAR CREEK | Louisiana | Fair | 1983 | 29.0 m | 301 |
| CREEK | Louisiana | Fair | 1970 | 23.2 m | 301 |
| BARRIERE CANAL | Louisiana | Fair | 1984 | 43.0 m | 300 |
| TORTUE BAYOU | Louisiana | Fair | 1967 | 17.4 m | 300 |
| De Marks Coulee | Louisiana | Fair | 1976 | 23.8 m | 300 |
| Bayou Mallet | Louisiana | Fair | 1986 | 40.8 m | 300 |
| CANAL | Louisiana | Fair | 1978 | 29.0 m | 300 |
| FRANKLIN CANAL | Louisiana | Fair | 1960 | 10.1 m | 300 |
| COULEE | Louisiana | Poor | 1978 | 6.7 m | 300 |
| BAYOU PEIRRE | Louisiana | Fair | 1989 | 91.4 m | 300 |
| 71ST STREET DITCH | Louisiana | Fair | 1962 | 7.0 m | 300 |
| OCKLEY DITCH | Louisiana | Good | 1988 | 18.9 m | 300 |
| ISAAC CREEK | Louisiana | Good | 2012 | 7.9 m | 300 |
| STALKINGHEAD CREEK | Louisiana | Fair | 1993 | 21.6 m | 300 |
| BLACK BAYOU LATERAL | Louisiana | Good | 2014 | 6.7 m | 300 |
| HOGWASH CREEK | Louisiana | Good | 2005 | 7.9 m | 300 |
| PETTICOAT BAYOU | Louisiana | Poor | 1978 | 27.1 m | 300 |
| PINE BAYOU | Louisiana | Poor | 1972 | 19.2 m | 300 |
| BLACK BAYOU | Louisiana | Fair | 1975 | 39.9 m | 300 |
| BLACK BAYOU | Louisiana | Fair | 1997 | 40.5 m | 300 |
| YOUNGS BAYOU | Louisiana | Fair | 1993 | 18.3 m | 300 |
| BLACK BAYOU | Louisiana | Poor | 1980 | 15.2 m | 300 |
| MELON CANAL | Louisiana | Fair | 2004 | 11.9 m | 300 |
| WEST PRONG YOUNGS BAYOU | Louisiana | Fair | 1999 | 6.4 m | 300 |
| W PRONG YOUNGS BAYOU | Louisiana | Fair | 1970 | 11.6 m | 300 |
| W. PRONG YOUNGS BAYOU | Louisiana | Fair | 1985 | 10.1 m | 300 |
| CANAL | Louisiana | Fair | 2004 | 37.2 m | 300 |
| POVERTY POINT RESERVOIR | Louisiana | Fair | 1999 | 30.5 m | 300 |
| TURKEY CREEK | Louisiana | Good | 2005 | 6.7 m | 300 |
| BURNS BAYOU | Louisiana | Good | 2003 | 30.5 m | 300 |
| TURKEY CREEK | Louisiana | Fair | 2006 | 18.3 m | 300 |
| Little Creek | Louisiana | Good | 2019 | 18.3 m | 300 |
| CALCASIEU RIVER RELIEF | Louisiana | Good | 2023 | 36.6 m | 300 |
| OBERLIN DITCH | Louisiana | Fair | 1997 | 9.4 m | 300 |
| EAST LACASSINE BAYOU | Louisiana | Poor | 1970 | 23.2 m | 300 |
| ARCENEAUX BAYOU | Louisiana | Fair | 1980 | 17.4 m | 300 |
| YELLOW BAYOU | Louisiana | Good | 2003 | 48.2 m | 300 |
| BAYOU DES GLAISES | Louisiana | Good | 2003 | 24.1 m | 300 |
| DRAINAGE CREEK | Louisiana | Good | 1989 | 11.6 m | 300 |
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.