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
EAST RELEIF Louisiana Poor 1958 17.4 m 2,899
MILLER CANAL Louisiana Poor 1958 17.4 m 2,899
MIDDLE CANAL Louisiana Poor 1958 17.4 m 2,899
MARSH DITCH Louisiana Fair 1958 17.4 m 2,899
DRAIN Louisiana Good 2018 18.3 m 2,899
CANAL Louisiana Good 2002 6.7 m 2,899
NORTH LABOVE BAYOU Louisiana Fair 2013 11.6 m 2,899
CANAL Louisiana Good 2001 6.7 m 2,899
WEST RELIEF Louisiana Fair 1958 17.4 m 2,899
LITTLE BAYOU Louisiana Good 2018 24.4 m 2,899
MERMENTAU R./G.CHENIER Louisiana Poor 1959 319.7 m 2,899
BAYOU CASTOR RELIEF Louisiana Fair 2009 42.1 m 2,896
CREEK Louisiana Good 2009 36.0 m 2,896
LIBERTY CREEK Louisiana Good 2010 36.0 m 2,896
CREEK Louisiana Poor 1960 12.2 m 2,894
Cross Drain Louisiana Good 2021 8.5 m 2,890
BELLDEAU BAYOU Louisiana Poor 1973 99.1 m 2,890
SPANGLE BRANCH Louisiana Fair 1959 29.6 m 2,889
CANE RIVER Louisiana Fair 1980 107.3 m 2,886
Crowley Drainage Ditch Louisiana Fair 1982 29.0 m 2,880
BAYOU PIERRE Louisiana Fair 1982 107.3 m 2,878
I-49 Louisiana Fair 1989 100.3 m 2,878
DOLET BAYOU Louisiana Fair 1988 42.7 m 2,878
CHEMARD LAKE Louisiana Fair 1959 67.1 m 2,878
DRAIN Louisiana Fair 2005 12.2 m 2,877
FLAT BRANCH Louisiana Fair 2002 36.6 m 2,877
DRY BRANCH Louisiana Fair 2002 36.6 m 2,877
DRY BRANCH Louisiana Fair 2002 36.6 m 2,877
BULLARD CREEK Louisiana Good 2002 9.1 m 2,877
GREYS CREEK Louisiana Poor 1955 29.6 m 2,876
I-20 Louisiana Fair 1964 89.0 m 2,870
MCCAIN CREEK Louisiana Good 2016 20.4 m 2,869
Deblanc Coulee Louisiana Fair 1960 30.5 m 2,868
Parc Perdu Bayou Louisiana Fair 1960 30.5 m 2,868
Parc Perdu Bayou Louisiana Fair 1960 24.4 m 2,868
HORSE BAYOU Louisiana Good 2010 10.4 m 2,866
I-20 Louisiana Fair 1960 90.5 m 2,862
COCKEREL CREEK Louisiana Fair 1967 29.6 m 2,862
CREEK Louisiana Poor 1967 29.0 m 2,862
CREEK Louisiana Fair 1970 11.9 m 2,862
CHOUDRANT CREEK Louisiana Good 1978 137.8 m 2,862
FLAT BAYOU Louisiana Poor 1980 18.0 m 2,861
KAYOUCHE COULEE Louisiana Fair 1959 54.9 m 2,860
Little Natalbany River Louisiana Good 2019 73.2 m 2,854
STILL BRANCH Louisiana Fair 1957 24.4 m 2,854
EAST PONCHATOULA CREEK Louisiana Good 1957 24.4 m 2,854
WEST CANAL Louisiana Good 1957 24.4 m 2,854
MORAN BRANCH Louisiana Good 1957 36.6 m 2,854
NATALBANY RIVER Louisiana Fair 1957 97.5 m 2,854
PONCHATOULA CREEK Louisiana Good 1957 36.6 m 2,854

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.