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.

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BridgeLocationConditionYear BuiltLengthADT
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.