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 |
|---|---|---|---|---|---|
| FRENCH BRANCH | Louisiana | Fair | 1963 | 30.5 m | 9,260 |
| UNION CARBIDE CANAL | Louisiana | Good | 1990 | 18.3 m | 9,206 |
| HAHNVILLE CANAL | Louisiana | Good | 1990 | 24.4 m | 9,206 |
| VIAL CANAL | Louisiana | Good | 1990 | 18.3 m | 9,206 |
| HYMEL CANAL | Louisiana | Good | 1990 | 24.4 m | 9,206 |
| BAYOU CASTINE | Louisiana | Fair | 1932 | 46.0 m | 9,200 |
| BAYOU QUEUE DE TORTUE | Louisiana | Good | 1934 | 10.4 m | 9,189 |
| CREEK | Louisiana | Good | 1934 | 10.4 m | 9,189 |
| Indian Bayou | Louisiana | Fair | 1963 | 10.1 m | 9,189 |
| DRAIN CANAL | Louisiana | Poor | 1959 | 24.1 m | 9,183 |
| BAYOU LAFOURCHE | Louisiana | Fair | 1991 | 61.0 m | 9,183 |
| BAYOU LIBERTY | Louisiana | Good | 2010 | 112.5 m | 9,174 |
| BAYOU BONFOUCA | Louisiana | Fair | 1976 | 99.1 m | 9,174 |
| Hanson Canal | Louisiana | Good | 2021 | 24.4 m | 9,159 |
| DRAINAGE CANAL | Louisiana | Good | 1986 | 48.8 m | 9,158 |
| BAYOU DORCHEAT | Louisiana | Poor | 1954 | 86.0 m | 9,109 |
| DORCHEAT RELIEF | Louisiana | Poor | 1954 | 97.8 m | 9,109 |
| DORCHEAT RELIEF | Louisiana | Poor | 1954 | 73.5 m | 9,109 |
| MILE CREEK | Louisiana | Poor | 1948 | 25.6 m | 9,109 |
| HUBS BAYOU | Louisiana | Poor | 1972 | 23.2 m | 9,104 |
| NEW RIVER | Louisiana | Fair | 1957 | 30.5 m | 9,071 |
| SMITH BAYOU | Louisiana | Fair | 1969 | 30.5 m | 9,071 |
| DUTCHTOWN DRAIN | Louisiana | Good | 1957 | 18.3 m | 9,071 |
| TANGIPAHOA RIVER | Louisiana | Fair | 1969 | 285.6 m | 9,053 |
| DRAIN | Louisiana | Fair | 1954 | 52.4 m | 9,053 |
| BAYOU LAFOURCHE | Louisiana | Fair | 1972 | 77.4 m | 9,051 |
| CANAL NO. 3 | Louisiana | Fair | 1966 | 18.3 m | 9,044 |
| K.C.S. RR | Louisiana | Fair | 1938 | 246.6 m | 9,017 |
| COOLEY BR RELIEF | Louisiana | Fair | 1925 | 13.7 m | 9,002 |
| COOLEY BRANCH | Louisiana | Fair | 1925 | 16.5 m | 9,002 |
| SHERMAN CREEK | Louisiana | Fair | 1925 | 17.1 m | 9,002 |
| BAYOU TERREBONNE | Louisiana | Poor | 1968 | 29.0 m | 9,001 |
| LA 85 | Louisiana | Good | 2011 | 469.7 m | 8,994 |
| DES POCHES COULEE | Louisiana | Fair | 1991 | 23.2 m | 8,989 |
| COULEE ILE DES CANNES | Louisiana | Fair | 1984 | 54.9 m | 8,985 |
| BAYOU JACK-O | Louisiana | Fair | 1975 | 11.3 m | 8,966 |
| CONTRABAND BAYOU | Louisiana | Poor | 1957 | 23.2 m | 8,942 |
| LA.428 AND CITY STREETS | Louisiana | Fair | 1995 | 1,292.0 m | 8,940 |
| LIT NATALBANY R. | Louisiana | Good | 1950 | 86.0 m | 8,928 |
| CITY STREETS | Louisiana | Fair | 1969 | 260.0 m | 8,928 |
| DRAIN | Louisiana | Fair | 1932 | 6.7 m | 8,928 |
| NATALBANY RIVER | Louisiana | Fair | 1950 | 86.0 m | 8,928 |
| BAYOU TERREBONNE | Louisiana | Fair | 1941 | 38.4 m | 8,922 |
| LITTLE CAILLOU | Louisiana | Fair | 1941 | 34.1 m | 8,922 |
| STAULKINGHEAD CREEK | Louisiana | Fair | 1983 | 29.3 m | 8,914 |
| SAUSMAN CREEK | Louisiana | Fair | 1960 | 43.0 m | 8,913 |
| CREEK | Louisiana | Fair | 1960 | 11.6 m | 8,913 |
| DRAINAGE CANAL | Louisiana | Fair | 1966 | 9.4 m | 8,906 |
| Horseshoe Canal | Louisiana | Good | 1995 | 30.5 m | 8,900 |
| THERIOT CANAL | Louisiana | Good | 1991 | 36.6 m | 8,897 |
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.