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
DRAINAGE DITCH Louisiana Fair 1973 13.7 m 5,157
DRAINAGE DITCH Louisiana Fair 1973 8.8 m 5,157
BAYOU LAMOURIE Louisiana Fair 1977 30.5 m 5,157
CITY STREETS Louisiana Fair 1968 235.6 m 5,154
DAWSON CREEK Louisiana Fair 1973 61.9 m 5,125
CHAUVIN BAYOU Louisiana Poor 1979 14.6 m 5,123
MP RR @ TAFT Louisiana Good 1977 456.3 m 5,122
HEMP CREEK Louisiana Fair 1955 30.5 m 5,122
CREEK Louisiana Good 2009 73.2 m 5,116
CREEK Louisiana Good 1941 6.4 m 5,116
Chickasaw creek Louisiana Good 2009 97.5 m 5,116
CANAL Louisiana Good 1995 9.1 m 5,112
BIG CREEK Louisiana Fair 1952 72.8 m 5,107
DUGDEMONA RIVER Louisiana Good 2013 268.2 m 5,107
KCS RR Louisiana Poor 1976 106.7 m 5,107
CREEK Louisiana Fair 1924 10.1 m 5,107
KANSAS CITY SOUTHERN RR Louisiana Good 2009 94.5 m 5,107
ANTWINE CREEK Louisiana Good 1952 10.4 m 5,107
BIG CREEK RELIEF Louisiana Poor 1952 42.1 m 5,107
CEDAR CREEK Louisiana Good 2009 61.0 m 5,107
MILL CREEK Louisiana Fair 1977 11.6 m 5,102
Mill Creek Louisiana Good 1976 11.6 m 5,102
SAN JOSE CREEK TRIB. Louisiana Fair 1987 6.7 m 5,100
HURRICANE CREEK Louisiana Good 2015 24.4 m 5,100
BAYOU DURALDE Louisiana Fair 1958 7.0 m 5,097
REDWOOD CREEK Louisiana Good 2012 48.8 m 5,083
LACACHE BAYOU Louisiana Fair 1967 17.7 m 5,080
TERREBONNE BAYOU Louisiana Fair 1983 54.6 m 5,080
LABUTTE BAYOU Louisiana Good 1985 30.5 m 5,075
BRUSHY BAYOU Louisiana Fair 1937 36.9 m 5,065
LABUTTE BAYOU Louisiana Good 1986 36.6 m 5,055
FOURMILE BAYOU Louisiana Fair 1953 30.5 m 5,051
THERIOT CANAL Louisiana Good 1991 24.4 m 5,050
L VALLEY CANAL Louisiana Fair 1992 29.0 m 5,050
I-12 Louisiana Good 1970 76.8 m 5,050
DAWSON CREEK Louisiana Fair 1973 61.3 m 5,042
KANSAS CITY SOUTHERN Louisiana Fair 1987 29.3 m 5,040
BAYOU PEDRO Louisiana Good 1966 13.4 m 5,031
CRIB CREEK Louisiana Fair 1966 36.6 m 5,031
GRAND COULEE Louisiana Fair 1960 7.0 m 5,027
COULEE BAYOU Louisiana Fair 1932 8.5 m 5,027
TRAYLOR BRANCH Louisiana Good 1962 24.4 m 5,026
L NATALBANY RIVER Louisiana Fair 1962 61.0 m 5,026
DIVERSION CHANNEL Louisiana Fair 1972 128.0 m 5,026
PONCHATOULA CREEK Louisiana Fair 1979 23.5 m 5,026
INDIAN BAYOU Louisiana Fair 1960 86.0 m 5,026
NAT. RIVER RELIEF Louisiana Fair 1963 48.8 m 5,026
I-55 Louisiana Good 1970 67.7 m 5,026
ALLIGATOR BAYOU Louisiana Fair 1960 73.8 m 5,026
LITTLE SALINE B Louisiana Poor 1960 49.4 m 5,026

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.