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.

Clear
BridgeLocationConditionYear BuiltLengthADT
RR I-10 Louisiana Poor 1962 240.8 m 3,766
I-10 Louisiana Fair 1964 67.1 m 3,760
Drainage Canal Louisiana Fair 1970 15.2 m 3,760
CREEK Louisiana Good 1996 29.0 m 3,757
INDIAN BAYOU Louisiana Poor 1957 29.3 m 3,757
MORGAN BRANCH Louisiana Fair 1954 23.5 m 3,755
BAYOU CHINCHUBA Louisiana Good 2014 54.9 m 3,755
BAYOU CAPUCIN Louisiana Fair 1976 40.5 m 3,749
BAYOU VERMILION Louisiana Fair 1976 52.1 m 3,749
TCHEFUNCTE RIVER Louisiana Good 1974 110.3 m 3,747
CHAPPEPEELA CREEK Louisiana Fair 1974 42.7 m 3,747
SQUIRREL CREEK Louisiana Fair 1974 42.7 m 3,747
JONES CREEK Louisiana Good 2014 73.2 m 3,740
CANAL Louisiana Fair 1964 8.2 m 3,728
BAYOU Louisiana Fair 1991 14.9 m 3,728
DRAIN Louisiana Fair 1995 11.6 m 3,728
GRAND MARAIS BAYOU Louisiana Fair 1990 17.4 m 3,728
DRAIN Louisiana Fair 1954 6.7 m 3,728
I-10 Louisiana Fair 1964 67.7 m 3,728
BAYOU Louisiana Fair 2009 17.4 m 3,728
Currys Creek Louisiana Good 2024 18.3 m 3,711
BEAVER BAYOU Louisiana Poor 1963 29.0 m 3,710
BOGGY BAYOU TRIBUTARY Louisiana Good 2017 11.6 m 3,700
BOGGY BAYOU Louisiana Fair 2016 54.9 m 3,700
BOGGY BAYOU RELIEF Louisiana Fair 2016 42.7 m 3,700
PEARL RIVER Louisiana Good 1998 982.1 m 3,700
BIG CREEK Louisiana Fair 1992 91.4 m 3,700
DOULLUT CANAL Louisiana Fair 2013 73.2 m 3,700
BAYOU FISHER Louisiana Fair 1936 8.5 m 3,698
DRAINAGE CANAL Louisiana Good 1984 36.6 m 3,696
DRAINAGE CANAL Louisiana Good 1984 18.3 m 3,696
NORTH ST. OFF RAMP (N.B. Louisiana Fair 1963 147.2 m 3,692
DRAIN CANAL @ SOUTHERN U Louisiana Fair 1996 69.5 m 3,691
I-12 Louisiana Fair 1973 80.8 m 3,690
BAYOU LACOMBE Louisiana Fair 1953 29.6 m 3,690
DRAIN Louisiana Good 1979 11.9 m 3,689
BOGUE FALAYA RIVER Louisiana Fair 1978 29.3 m 3,689
BOGUE FALAYA RELIEF Louisiana Fair 1978 17.7 m 3,689
DRAIN Louisiana Good 1978 17.7 m 3,689
BEASON CREEK Louisiana Fair 1979 35.1 m 3,689
PIGEON ROOST CREEK Louisiana Fair 1980 23.5 m 3,689
PIGEON ROOST CREEK Louisiana Fair 1980 23.5 m 3,689
BAYOU TERREBONNE Louisiana Poor 1954 26.2 m 3,687
CARO CANAL Louisiana Fair 1957 24.4 m 3,687
ELLIOT JONES CANAL Louisiana Good 1952 30.5 m 3,687
DRAIN CANAL Louisiana Fair 1931 19.5 m 3,687
DRAIN CANAL Louisiana Good 1952 30.5 m 3,687
BAYOU BLACK Louisiana Fair 1946 57.6 m 3,687
ST. LOUIS CANAL Louisiana Good 2004 30.2 m 3,687
DRAIN Louisiana Fair 1963 24.4 m 3,684

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.