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
OFF RAMP US 51 MANCHAC Louisiana Good 1979 170.7 m 8,115
ON RAMP SOUTH US 51 Louisiana Good 1979 170.7 m 8,115
ON RAMP NORTH US 51 Louisiana Good 1979 170.7 m 8,115
OFF RAMP US 51 MANCHAC Louisiana Good 1979 170.7 m 8,115
SWIFT BAYOU CANAL Louisiana Good 2013 10.1 m 8,115
I-55 NORTH ON RAMP RUDDC Louisiana Good 1975 201.2 m 8,115
MUNDY BAYOU Louisiana Fair 1985 61.0 m 8,115
I 55 SOUTH ON RAMP RUDDC Louisiana Fair 1975 179.8 m 8,115
KELLY BAYOU Louisiana Good 2014 67.1 m 8,115
TRINITY BAYOU Louisiana Good 2013 9.8 m 8,115
MUNDY BAYOU Louisiana Fair 1986 61.0 m 8,115
CREEK Louisiana Fair 1971 6.7 m 8,115
I0010 Louisiana Fair 1975 181.1 m 8,115
ON RP FR S US61 TO E I10 Louisiana Fair 1975 158.2 m 8,115
TRINITY BAYOU Louisiana Good 2013 7.0 m 8,115
LAFOURCHE BAYOU Louisiana Fair 1966 57.6 m 8,110
CHENIERE CREEK Louisiana Fair 1955 75.9 m 8,105
CREEK Louisiana Fair 1955 58.5 m 8,105
CREEK Louisiana Fair 1955 11.9 m 8,105
STEEP BAYOU Louisiana Poor 1955 23.8 m 8,105
BAYOU LAFOURCHE Louisiana Fair 1977 61.6 m 8,101
BAYOU BRAUD Louisiana Good 1968 30.5 m 8,090
HONEY CUT BAYOU Louisiana Good 2006 18.3 m 8,088
LA 318 Louisiana Good 2017 575.2 m 8,073
DRAIN Louisiana Fair 1973 8.5 m 8,073
VACHERIE CANAL Louisiana Fair 1978 18.3 m 8,073
AMITE DIVERSION CANAL Louisiana Fair 1960 146.9 m 8,068
PIERRES DRAINAGE Louisiana Good 1960 24.4 m 8,068
I-20 Louisiana Fair 1975 104.2 m 8,046
WALNUT BAYOU Louisiana Fair 1963 68.9 m 8,046
COMMERCIAL CANAL Louisiana Fair 1991 12.2 m 8,040
HOLLYWOOD CANAL Louisiana Fair 1988 67.1 m 8,036
BLACK BAYOU Louisiana Fair 1965 48.8 m 8,030
BARNES CREEK Louisiana Good 2007 61.0 m 8,021
CREEK Louisiana Fair 2007 30.5 m 8,021
PALMETTO CREEK Louisiana Fair 2007 79.2 m 8,021
CREEK Louisiana Fair 1951 29.0 m 8,018
CREEK Louisiana Fair 1960 8.2 m 8,018
CREEK Louisiana Good 2011 182.9 m 8,018
CREEK Louisiana Fair 1960 10.1 m 8,018
SUGAR CREEK Louisiana Fair 1951 23.2 m 8,018
CYPRESS CREEK REL. Louisiana Fair 1951 29.0 m 8,018
CREEK Louisiana Fair 1960 7.9 m 8,018
Schneider Canal Louisiana Good 2017 10.4 m 8,018
CREEK Louisiana Fair 1960 10.1 m 8,018
CYPRESS BAYOU REL. Louisiana Fair 1951 23.2 m 8,018
BELLE RIVER Louisiana Good 2009 146.3 m 8,005
BAYOU FATMA Louisiana Poor 1980 40.5 m 8,000
BAYOU FATMA Louisiana Fair 1988 40.5 m 8,000
CHINCHUB BAYOU Louisiana Good 1954 38.4 m 8,000

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.