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
DIVERSION CANAL Louisiana Fair 1996 52.1 m 5,322
COULEE DES GRUES Louisiana Fair 1961 43.3 m 5,309
TICKFAW RIVER Louisiana Fair 1992 259.7 m 5,293
KILLIANS BRANCH Louisiana Fair 1992 36.6 m 5,293
DRAINAGE BAYOU Louisiana Fair 1965 17.7 m 5,290
EDMONSON CREEK Louisiana Fair 1950 33.5 m 5,277
BAYOU WYKOFF Louisiana Fair 1963 30.5 m 5,275
DRAIN Louisiana Fair 1986 11.6 m 5,275
BAYOU WYKOFF Louisiana Fair 1963 30.5 m 5,275
PIPELINE CROSSING Louisiana Good 1979 7.6 m 5,271
BAYOU BLUE Louisiana Fair 1979 99.1 m 5,271
ST. LOUIS BAYOU Louisiana Fair 1975 23.8 m 5,271
CLEAR LAKE Louisiana Fair 1981 170.7 m 5,263
KEITHWAY CANAL Louisiana Fair 2005 7.3 m 5,253
I-12 Louisiana Good 1975 81.4 m 5,250
I-10 Louisiana Fair 1964 67.7 m 5,240
LAYS BAYOU Louisiana Fair 1948 10.4 m 5,237
CREEK Louisiana Good 2021 11.0 m 5,232
DRAIN Louisiana Fair 1980 11.9 m 5,232
CHOCTAW CREEK Louisiana Good 2006 48.8 m 5,228
BEAR CREEK Louisiana Fair 1963 36.6 m 5,228
DRAIN Louisiana Good 2006 7.0 m 5,228
BOGUE LUSA CREEK Louisiana Fair 1950 159.1 m 5,213
JOSEPH BRANCH Louisiana Fair 1991 54.9 m 5,211
KAYOUCHE COULEE Louisiana Fair 2005 15.5 m 5,210
CYPRESS BAYOU Louisiana Fair 1969 17.4 m 5,210
BLACK BAYOU Louisiana Fair 1934 8.2 m 5,200
BAYOU LAFOURCHE Louisiana Poor 1970 62.2 m 5,198
LEBRETON CANAL Louisiana Poor 1963 23.2 m 5,198
SCULLY CANAL Louisiana Poor 1954 38.7 m 5,198
PETIT CAILLOU Louisiana Fair 1964 41.5 m 5,194
DRAINAGE CANAL Louisiana Poor 1966 17.4 m 5,194
BAYOU TERREBONNE Louisiana Fair 1964 47.5 m 5,194
MIDDLE RELIEF Louisiana Good 2002 79.2 m 5,192
I 20 Louisiana Fair 1963 87.5 m 5,192
BAYOU SAN MIGUEL Louisiana Good 2002 61.0 m 5,192
ICG RAILROAD Louisiana Fair 1976 52.7 m 5,192
BAYOU SAN MIGUEL Louisiana Good 2002 61.0 m 5,192
PETIT CAILLOU BAYOU Louisiana Good 1973 41.5 m 5,180
I-10 Louisiana Fair 1966 335.9 m 5,173
DOULLUT CANAL Louisiana Fair 1975 1,236.0 m 5,170
B GRAND MARAIS Louisiana Fair 1961 24.4 m 5,170
CREEK Louisiana Fair 1961 24.4 m 5,170
CREEK Louisiana Fair 1961 7.0 m 5,170
COULEE GRANGES Louisiana Good 1961 30.5 m 5,170
CREEK Louisiana Good 1963 9.8 m 5,166
CREEK Louisiana Fair 1963 7.9 m 5,166
BILLS BRANCH Louisiana Fair 1977 52.4 m 5,160
SIMALOUSA CREEK Louisiana Fair 1976 46.6 m 5,160
BAYOU LAMOURIE Louisiana Fair 1977 30.5 m 5,157

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.