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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
BAYOU FORK Louisiana Fair 1931 9.4 m 11,913
BAYOU PLAQUEMINE Louisiana Fair 1931 11.0 m 11,913
DRAIN Louisiana Good 1984 9.8 m 11,896
DRAINAGE DITCH Louisiana Good 2002 9.1 m 11,886
BAYOU SERPENT Louisiana Good 2017 85.3 m 11,886
GUM BAYOU Louisiana Fair 1932 9.8 m 11,886
DRAIN Louisiana Fair 1931 7.0 m 11,886
DRAINAGE DITCH Louisiana Fair 2002 7.0 m 11,886
DRAINAGE DITCH Louisiana Fair 2000 24.4 m 11,886
BAYOU Louisiana Good 2017 36.6 m 11,886
KINDER CANAL Louisiana Fair 1932 7.0 m 11,886
DRAIN Louisiana Fair 1931 7.0 m 11,886
DRAIN Louisiana Fair 1931 8.8 m 11,886
BAYOU SERPENT RELIEF Louisiana Good 2017 42.7 m 11,886
DRAIN Louisiana Fair 1931 8.8 m 11,886
DRAIN Louisiana Fair 1931 9.8 m 11,886
KINDER DITCH Louisiana Fair 1932 11.9 m 11,886
CREEK Louisiana Fair 1970 42.7 m 11,858
I-20 Louisiana Fair 1995 72.8 m 11,856
KCS RR Louisiana Poor 1927 40.2 m 11,856
RED RIVER @ TEXAS ST. Louisiana Fair 1934 908.9 m 11,856
I-220 Louisiana Fair 1985 265.5 m 11,856
WEST COLYELL CREEK Louisiana Good 2000 17.4 m 11,852
Canada Branch Louisiana Fair 1998 17.7 m 11,852
FOURMILE CREEK Louisiana Fair 1964 42.7 m 11,805
MILL CREEK Louisiana Fair 1964 36.6 m 11,805
CONTRABAND BAYOU Louisiana Good 2014 36.6 m 11,776
Pont Des Mouton Louisiana Good 1981 71.3 m 11,728
LA 98 [Gloria Switch Rd] Louisiana Good 1981 73.5 m 11,728
LA 726 Louisiana Fair 1981 75.9 m 11,728
COULEE BEAU BRIDGE CANAL Louisiana Fair 1989 36.6 m 11,728
LA 182 Louisiana Fair 1981 111.6 m 11,728
BOGUE LUSA CR Louisiana Fair 1965 169.2 m 11,719
CREEK Louisiana Fair 1933 8.5 m 11,718
LITTLE BAYOU Louisiana Fair 1933 8.8 m 11,718
BEAR CREEK Louisiana Poor 1975 40.8 m 11,712
BIG CREEK Louisiana Good 1988 36.3 m 11,712
CREEK Louisiana Fair 1957 6.7 m 11,712
MOSLEY MILL CREEK Louisiana Poor 1975 17.4 m 11,712
CEDAR CREEK Louisiana Good 1988 61.0 m 11,712
DUMP CREEK Louisiana Good 1988 7.0 m 11,712
KANSAS CITY SOUTHERN RR Louisiana Good 2009 94.5 m 11,712
LITTLE B BLACK/LA 311/SP Louisiana Good 1987 829.4 m 11,661
DRAINAGE CANAL NO 1 Louisiana Fair 1987 38.1 m 11,661
DRAINAGE CANAL NO 2 Louisiana Fair 1987 30.5 m 11,661
LA 24 TERREBONNE BAYOU Louisiana Fair 1980 668.1 m 11,661
ST. LOUIS CANAL Louisiana Fair 1981 38.1 m 11,661
CITY STREETS/RR Louisiana Fair 1992 153.0 m 11,650
CYPRESS CREEK Louisiana Poor 1961 41.1 m 11,636
MILL CREEK Louisiana Fair 1954 23.8 m 11,636

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.