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
CARROLL BAYOU Louisiana Good 1981 76.8 m 5,796
DRAIN CANAL Louisiana Good 2011 18.3 m 5,783
BAYOU LAFOURCHE Louisiana Fair 1936 73.2 m 5,783
BAYOU SALLE Louisiana Fair 1961 6.4 m 5,780
BAYOU TERREBONNE Louisiana Fair 1999 53.9 m 5,780
LA 317 Louisiana Fair 1987 538.9 m 5,779
WHITE BRANCH Louisiana Fair 1976 11.6 m 5,772
COMITE RIVER Louisiana Fair 1965 165.2 m 5,772
OLIVE BRANCH Louisiana Fair 1965 30.5 m 5,772
CANY BRANCH Louisiana Fair 1976 24.4 m 5,772
DRAIN Louisiana Fair 1932 13.7 m 5,765
BOGUE LUSA CREEK Louisiana Good 2013 85.3 m 5,765
MISSISSIPPI RIVER Louisiana Good 2011 622.7 m 5,763
GRANTS BAYOU Louisiana Good 2010 327.7 m 5,763
GRANTS BAYOU EAST FORK Louisiana Good 2010 178.3 m 5,763
NO NAME STREAM Louisiana Good 2010 191.7 m 5,763
MISSISSIPPI RIVER Louisiana Good 2011 2,066.5 m 5,763
RAILROAD Louisiana Fair 2010 1,180.8 m 5,763
MISSISSIPPI RIVER Louisiana Good 2011 970.8 m 5,763
NO NAME STREAM Louisiana Good 2010 126.5 m 5,763
ALLIGATOR BAYOU Louisiana Good 2010 204.5 m 5,763
BAYOU CHOUPIQUE Louisiana Good 1958 24.4 m 5,760
GRAND BAYOU Louisiana Fair 1958 46.3 m 5,760
SAN JOSE CREEK Louisiana Good 2006 30.5 m 5,746
CLAY CUT BAYOU Louisiana Good 2003 37.8 m 5,730
BAYOU DARBONNE Louisiana Fair 1979 30.5 m 5,728
CREEK Louisiana Fair 1936 7.0 m 5,728
CANEY CREEK Louisiana Fair 1930 10.1 m 5,728
BEAVER BRANCH Louisiana Fair 1979 49.1 m 5,728
DRAIN DITCH Louisiana Fair 1993 17.7 m 5,721
TRIB. TO BRUSHY BAYOU Louisiana Good 2008 6.7 m 5,718
DRAIN Louisiana Fair 1968 6.7 m 5,704
FRANCOIS COULEE Louisiana Fair 1970 42.7 m 5,698
WHITE BAYOU Louisiana Good 2012 38.1 m 5,697
CITY STREETS/RR Louisiana Good 1992 491.9 m 5,696
BAYOU BREAUX Louisiana Fair 1955 24.4 m 5,692
DOYLE BAYOU Louisiana Fair 1949 22.6 m 5,682
HORSE BAYOU Louisiana Fair 2012 30.5 m 5,676
CYPRESS BAYOU Louisiana Fair 2012 42.7 m 5,676
BAYOU BARTHOLOMEW Louisiana Good 2012 150.0 m 5,676
CREEK Louisiana Good 2014 36.6 m 5,669
SQUIRES CREEK Louisiana Fair 1982 17.4 m 5,661
CREEK Louisiana Fair 1960 9.1 m 5,661
I-20 Louisiana Fair 2008 104.2 m 5,661
TRENTON RD. RR Louisiana Good 2009 232.3 m 5,659
BEAR CREEK Louisiana Fair 1977 36.6 m 5,659
Outfall Canal Louisiana Good 2010 76.2 m 5,650
Fallout Canal Louisiana Good 2010 76.2 m 5,650
BAYOU LAFOURCHE Louisiana Fair 1993 86.6 m 5,637
DRAINAGE BAYOU Louisiana Poor 1965 17.4 m 5,630

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.