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
LA 1/M P RR/LOC RD Louisiana Fair 1968 104.2 m 4,035
HICKORY BRANCH Louisiana Fair 1975 17.4 m 4,030
MCGEE BAYOU Louisiana Fair 1957 8.2 m 4,027
DRAINAGE BAYOU Louisiana Poor 1966 23.2 m 4,025
DRAINAGE CANAL Louisiana Poor 1966 11.6 m 4,025
SMITH BAYOU Louisiana Fair 1969 11.6 m 4,016
Indian Bayou Louisiana Fair 1997 34.7 m 4,016
TRIB. TO BOGGY BAYOU Louisiana Good 2007 12.8 m 4,015
DEADWOOD RD TIGER BAYOU Louisiana Fair 1994 2,347.9 m 4,014
CREEK Louisiana Good 1998 106.7 m 4,014
TIGER BAYOU Louisiana Good 1998 48.8 m 4,014
CHACAHOULA BAYOU Louisiana Good 1998 614.8 m 4,014
Alligator Bayou Louisiana Fair 1998 3,681.7 m 4,014
DRAINAGE CANAL Louisiana Good 1998 511.5 m 4,014
LA662 BAYOU LOURSE Louisiana Fair 1998 693.1 m 4,014
DRAIN CANALS LA.20 RR Louisiana Fair 1995 9,005.0 m 4,014
BUNDICKS CREEK Louisiana Fair 1984 182.9 m 4,012
PONCHITOLAWA CR Louisiana Fair 1976 57.9 m 4,005
DRAINAGE CANAL Louisiana Fair 1962 6.7 m 4,002
BAYOU CALLAHAN Louisiana Fair 1982 54.9 m 4,002
DRAINAGE DITCH Louisiana Good 1960 6.4 m 4,002
CONTRABAND BAYOU Louisiana Fair 1982 30.5 m 4,000
BAYOU MILLET Louisiana Good 1963 24.4 m 4,000
Hogskin Lake Creek Louisiana Fair 1989 9.8 m 4,000
Horseshoe Creek Louisiana Fair 1986 9.4 m 4,000
BRYANT BRANCH Louisiana Good 2003 7.0 m 4,000
YOUNGS BAYOU Louisiana Good 2013 42.7 m 4,000
YOUNGS BAYOU Louisiana Good 2003 6.4 m 4,000
BAYOU FOUNTAIN Louisiana Good 2011 36.6 m 4,000
DRAINAGE CANAL Louisiana Fair 1957 24.4 m 3,996
BAYOU FOUNTIAN Louisiana Poor 1968 23.8 m 3,993
CREEK Louisiana Good 1980 7.9 m 3,989
BAYOU FUSELIER Louisiana Fair 1959 42.7 m 3,987
DRAIN Louisiana Good 1969 10.7 m 3,985
CREEK Louisiana Good 1968 10.4 m 3,985
DRAIN Louisiana Good 1969 11.3 m 3,985
BAYOU DES CYPRAIRRES Louisiana Fair 1988 29.9 m 3,984
BAYOU DES GLAISE Louisiana Good 1981 77.4 m 3,984
BAYOU DES GLAISES Louisiana Fair 2009 64.3 m 3,984
HAIRS CREEK Louisiana Fair 1960 36.6 m 3,980
LA MIDLAND R/R Louisiana Fair 1958 44.2 m 3,980
DRAINAGE CANAL Louisiana Poor 1928 10.7 m 3,974
BEAR CREEK Louisiana Fair 1991 11.6 m 3,959
EAST HOG BRANCH Louisiana Fair 1991 48.8 m 3,959
COOLEY BRANCH Louisiana Poor 1954 36.6 m 3,955
CREEK Louisiana Poor 1954 30.5 m 3,955
I-20 Louisiana Poor 1968 73.8 m 3,950
I-20 Louisiana Fair 1968 73.8 m 3,950
N TUPAWEK BAYOU Louisiana Fair 1978 14.0 m 3,947
CREEK Louisiana Fair 2000 24.7 m 3,941

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.