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
CYPRESS BAYOU Louisiana Fair 1973 124.1 m 7,065
DRAIN Louisiana Fair 1970 10.4 m 7,049
LA45;LA303;ICWW Louisiana Fair 1976 1,409.4 m 7,042
Bayou Queue De Tortue Louisiana Fair 1934 7.9 m 7,042
LA SOUTHERN RR Louisiana Fair 1957 281.6 m 7,021
LA 611-9 & JOHNSON ST Louisiana Fair 1957 189.3 m 7,021
BEAVER CREEK Louisiana Fair 1984 11.9 m 7,015
Loyola Dr Louisiana Good 2023 908.0 m 7,010
Red Chute Bayou Louisiana Fair 2013 61.0 m 7,000
CONCIENNE CANAL Louisiana Fair 1952 40.8 m 6,998
DRAIN Louisiana Fair 1954 7.9 m 6,981
BAYOU Louisiana Good 1994 36.6 m 6,976
BAYOU Louisiana Good 1994 42.7 m 6,976
BAYOU Louisiana Good 1994 36.6 m 6,976
BAYOU Louisiana Good 1994 11.6 m 6,976
BAYOU Louisiana Fair 1994 10.7 m 6,976
BAYOU CARPE Louisiana Fair 1994 7.0 m 6,976
DRAINAGE Louisiana Fair 1994 7.9 m 6,976
BRUSH BAYOU Louisiana Fair 1988 6.7 m 6,960
CREEK Louisiana Fair 1955 17.7 m 6,957
RAMBIN BAYOU Louisiana Fair 2000 36.6 m 6,956
GREYS CREEK Louisiana Good 2011 46.0 m 6,952
CALCASIEU RIVER Louisiana Good 2011 378.0 m 6,952
FLOCTAW CREEK Louisiana Good 2011 76.5 m 6,952
WEST ANACOCO CREEK Louisiana Good 1994 85.3 m 6,952
BAYOU ZOURIE Louisiana Fair 1978 69.2 m 6,952
CASTOR CREEK RELIEF Louisiana Fair 1975 61.3 m 6,952
CYPRESS BAYOU Louisiana Good 2013 153.0 m 6,952
VERNON LAKE Louisiana Good 1967 110.3 m 6,952
PRAIRIE CREEK SOUTH RDWY Louisiana Good 1986 110.3 m 6,952
WEST FORK CREEK Louisiana Good 2003 42.1 m 6,952
EAST FORK CREEK Louisiana Good 2005 42.1 m 6,952
FARMER CREEK Louisiana Good 2003 42.1 m 6,952
THORNY BRANCH Louisiana Good 1983 24.4 m 6,942
BAYOU FLAGON Louisiana Good 1969 61.0 m 6,942
FLAGON CREEK Louisiana Good 1983 91.4 m 6,942
BEAVER CREEK Louisiana Good 1983 54.9 m 6,942
BEAVER CREEK RELIEF Louisiana Good 1983 30.5 m 6,942
MILL CREEK RELIEF Louisiana Good 1983 36.6 m 6,942
MILL CREEK RELIEF Louisiana Good 1986 24.4 m 6,942
SERPENT BAYOU Louisiana Fair 1932 10.1 m 6,929
DRAIN Louisiana Fair 1957 7.6 m 6,929
KINDER CANAL Louisiana Fair 1932 7.0 m 6,929
CREEK Louisiana Good 1959 8.5 m 6,905
WEST PRONG HEMP CREEK Louisiana Good 1956 24.4 m 6,905
LITTLE TURKEY CREEK Louisiana Good 1994 24.4 m 6,896
STOKES BAYOU Louisiana Fair 1979 18.3 m 6,896
ASH SLOUGH RELIEF Louisiana Good 1988 24.4 m 6,896
ASH SLOUGH Louisiana Good 1988 24.4 m 6,896
DRAIN Louisiana Good 1980 9.8 m 6,891

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.