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
MONTE SANO BAYOU Louisiana Good 1976 40.8 m 2,649
ARDS CREEK Louisiana Fair 1960 61.0 m 2,646
FOSTER CREEK Louisiana Fair 1960 36.6 m 2,646
TENSAS RIVER Louisiana Fair 2008 230.7 m 2,645
PATRICK BAYOU Louisiana Fair 1981 34.7 m 2,642
CANEY CREEK Louisiana Poor 1954 18.0 m 2,642
Bayou Narcisse Louisiana Good 2020 18.6 m 2,640
DRAIN Louisiana Fair 1960 11.0 m 2,638
DRAIN Louisiana Fair 1935 10.7 m 2,638
CHAP CREEK RELIEF Louisiana Fair 1957 24.4 m 2,634
CHAPEPEELA CREEK Louisiana Fair 1957 61.0 m 2,634
BRUSHY BRANCH Louisiana Fair 1957 24.4 m 2,634
LOURSE BAYOU Louisiana Good 1998 8.5 m 2,629
SWAMP Louisiana Good 1995 190.5 m 2,629
Delahoussaye Canal Louisiana Fair 1971 30.5 m 2,629
DELAHOUSSAYE CANAL Louisiana Fair 1971 30.5 m 2,629
SWAMP Louisiana Fair 1995 193.2 m 2,629
SWAMP Louisiana Good 1995 234.7 m 2,629
SWAMP Louisiana Good 1995 147.8 m 2,629
LOURSE BAYOU Louisiana Good 1998 9.1 m 2,629
BAYOU PETITE PRAIRIE Louisiana Fair 1954 6.7 m 2,628
FLAT RIVER Louisiana Poor 1964 69.8 m 2,626
DINDE BAYOU Louisiana Poor 1945 219.5 m 2,625
PALMETTO CREEK Louisiana Poor 1973 29.0 m 2,614
Creek Louisiana Good 2024 11.6 m 2,611
SPRDG TEX LINE JOHNSON B Louisiana Fair 1979 12.2 m 2,606
BIG CREEK Louisiana Fair 2011 18.3 m 2,603
GUERENGER CANAL Louisiana Fair 1974 23.2 m 2,600
MCADAMS DITCH Louisiana Fair 1982 11.6 m 2,600
I0010 Louisiana Fair 1961 76.8 m 2,600
DRAIN Louisiana Fair 2002 24.4 m 2,599
BONNE IDEE BAYOU Louisiana Fair 1977 48.8 m 2,598
BAYOU JEAN DE JEAN Louisiana Good 2013 152.4 m 2,597
CREEK Louisiana Poor 1979 11.6 m 2,595
Blanc Bayou Louisiana Poor 1967 34.7 m 2,592
SPRING CREEK Louisiana Fair 1984 36.6 m 2,585
DRAIN Louisiana Fair 1954 6.7 m 2,585
BRUSHY CREEK Louisiana Fair 1950 14.3 m 2,585
CREEK Louisiana Fair 1984 42.7 m 2,585
COULEE Louisiana Fair 1977 17.4 m 2,580
CREEK Louisiana Fair 1975 8.2 m 2,579
COLUMBIA S. RD & SPRR Louisiana Fair 1987 395.6 m 2,578
VERDINE BAYOU Louisiana Fair 1960 12.2 m 2,578
CANAL Louisiana Fair 1956 7.9 m 2,573
LA 1 S.BOUND Louisiana Fair 1954 36.6 m 2,570
DOZA BAYOU Louisiana Good 2013 8.5 m 2,569
BAYOU DARBONNE Louisiana Fair 1978 73.2 m 2,567
BAYOU TOULON Louisiana Fair 1977 55.2 m 2,559
BAYOU PIERRE Louisiana Good 1991 61.9 m 2,558
BAYOU LALOUTRE Louisiana Fair 1984 18.3 m 2,553

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.