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
B.CUTOFF Louisiana Fair 1976 53.3 m 14,769
W FORK CALCASIEU RIVER Louisiana Poor 1968 190.2 m 14,767
MO PACIFIC RR Louisiana Fair 1966 424.6 m 14,751
BAYOU TERREBONNE Louisiana Good 1994 36.6 m 14,700
ABITA RIVER Louisiana Good 1975 76.8 m 14,668
BAYOU BLACK Louisiana Fair 2003 10.7 m 14,665
Anselm Coulee Louisiana Good 2019 105.2 m 14,643
BEAVER BAYOU Louisiana Fair 1955 9.8 m 14,635
DRAIN Louisiana Fair 1932 11.3 m 14,613
RR/US 90(CHEF HWY) Louisiana Good 1992 798.0 m 14,600
I-49 Louisiana Good 1986 97.5 m 14,600
BAYOU JACK Louisiana Fair 1969 9.1 m 14,586
SIBLEY LAKE Louisiana Fair 1969 201.8 m 14,586
COULEE ILE DES CANNES Louisiana Good 1996 36.6 m 14,524
JONES CREEK Louisiana Fair 1998 36.6 m 14,523
LASALLE COULEE Louisiana Fair 1931 10.4 m 14,501
PERKINS RD OFF RAMP Louisiana Fair 1964 171.6 m 14,496
STREAM NO NAME Louisiana Fair 1952 11.9 m 14,467
BAYOU CHOLPE Louisiana Good 1996 48.8 m 14,467
FLAT CREEK Louisiana Good 1979 61.0 m 14,458
SALES BRANCH Louisiana Fair 1975 54.9 m 14,458
BAYOU PIERRE Louisiana Fair 1985 46.0 m 14,451
YOUNGS BAYOU Louisiana Fair 1974 36.6 m 14,431
DRAUGHAN CREEK Louisiana Fair 1967 23.2 m 14,420
CREEK Louisiana Good 1930 8.5 m 14,420
FLAT CREEK Louisiana Good 1981 61.0 m 14,420
E.Grolee St/MPRR Louisiana Good 1983 405.1 m 14,400
DRAIN Louisiana Fair 1930 8.8 m 14,365
PASS MANCHAC Louisiana Fair 1977 930.2 m 14,300
LA1 B.LAFOURCHE LA 308 Louisiana Good 1976 984.8 m 14,300
LA308 B.LAFOURCHE LA1 Louisiana Good 1976 1,015.3 m 14,300
DITCH Louisiana Good 1989 7.6 m 14,299
ST LOUIS CANAL Louisiana Fair 1959 23.2 m 14,232
BAYOU MARIA RELIEF Louisiana Good 1994 9.8 m 14,124
CLEAR RUN CREEK Louisiana Fair 1971 13.1 m 14,124
BAYOU MARIA Louisiana Good 1994 61.0 m 14,124
DRAIN Louisiana Fair 2006 7.6 m 14,120
DRAIN Louisiana Good 2006 8.5 m 14,120
ABITA RIVER Louisiana Fair 1972 35.1 m 14,110
LITTLE CREEK Louisiana Fair 1972 17.7 m 14,110
CHINCHUBA BRANCH Louisiana Fair 1972 23.2 m 14,110
DRAIN Louisiana Fair 1972 17.7 m 14,110
REDWOOD CREEK Louisiana Fair 1965 92.0 m 14,102
ATCHAFALAYA FLDWY Louisiana Poor 1961 1,214.3 m 14,088
MACKS BAYOU Louisiana Good 1986 23.2 m 14,078
TRBY TO BRUSH BAYOU Louisiana Good 1983 8.8 m 14,042
LENA-FLATWOODS RD. Louisiana Good 1987 64.9 m 14,042
CHERRY CREEK Louisiana Good 1984 8.8 m 14,042
LINWOOD AVE TRBY TO BRUS Louisiana Good 1983 6.7 m 14,042
CARNAHAN CREEK Louisiana Good 1987 49.1 m 14,042

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.