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
BLOOD RIVER Louisiana Fair 2005 14.3 m 400
MOLAR BAYOU Louisiana Fair 1993 6.4 m 400
DRAINAGE CANAL Louisiana Good 2011 7.3 m 400
Drain Louisiana Good 2013 13.7 m 400
Little Bayou Castine Louisiana Good 1998 13.7 m 400
DRAINAGE STAGESTAND CR Louisiana Fair 2005 6.2 m 400
CREEK Louisiana Good 2020 12.5 m 399
IRISH BAYOU Louisiana Good 2020 6.4 m 399
CREEK Louisiana Fair 1978 17.4 m 399
HORSE SHOE BAYOU Louisiana Fair 1978 17.4 m 399
DOOLEY BAYOU Louisiana Fair 1978 17.4 m 399
CREEK Louisiana Fair 1980 29.0 m 399
CREEK Louisiana Fair 2004 11.6 m 399
BAYOU MALLET Louisiana Fair 1962 48.8 m 398
LAPORTS COULEE Louisiana Fair 1965 11.9 m 397
CASTOR BAYOU Louisiana Fair 1985 23.2 m 397
BEAVER BAYOU Louisiana Poor 1980 23.2 m 397
KEPLER CREEK Louisiana Fair 1986 61.3 m 396
EDWARDS MILL CREEK Louisiana Poor 1984 23.2 m 396
BESS BRANCH Louisiana Fair 1999 29.0 m 396
LITTLE 6 MILE CR Louisiana Poor 1965 40.8 m 396
LITTLE 6 MILE CR.RELF. Louisiana Poor 1965 23.2 m 396
FLAT BRANCH Louisiana Fair 1964 11.9 m 396
CREEK Louisiana Fair 1943 18.0 m 396
CREEK Louisiana Poor 1964 40.8 m 396
TROUT CREEK RELIEF Louisiana Fair 1982 17.7 m 396
TROUT CREEK Louisiana Fair 1982 23.2 m 396
CREEK Louisiana Good 1962 24.4 m 394
BRUSHY CREEK Louisiana Fair 1963 79.2 m 394
BEECH CREEK Louisiana Good 1995 61.0 m 394
Kimball Creek Louisiana Good 2023 42.7 m 394
VIDALIA CANAL Louisiana Fair 1961 30.5 m 393
RED BAYOU CANAL Louisiana Fair 1961 24.4 m 393
DAY BRANCH Louisiana Fair 1960 36.6 m 393
CADNEY BAYOU TRIBUTARY Louisiana Good 2000 29.0 m 392
MILE BRANCH Louisiana Good 2000 24.1 m 392
DRAIN Louisiana Fair 1966 17.4 m 391
CANAL Louisiana Fair 1995 16.5 m 391
SANDY LICK CREEK Louisiana Good 1997 7.9 m 390
DINDE BAYOU Louisiana Good 2017 22.9 m 390
THOMAS CREEK BRIDGE Louisiana Good 1996 34.7 m 390
CREEK Louisiana Fair 1972 7.0 m 389
CREEK Louisiana Fair 1948 8.5 m 389
CREEK Louisiana Fair 1976 7.9 m 389
ALFORD CREEK Louisiana Good 1976 10.1 m 389
LEADBETTER CREEK Louisiana Fair 1976 8.5 m 389
BAYOU DARBONNE Louisiana Poor 1979 40.8 m 389
GEE CREEK Louisiana Poor 1979 17.7 m 389
CLAYCUT BAYOU Louisiana Poor 1978 29.3 m 389
MAREE MICHEL CANAL Louisiana Good 2015 21.9 m 388

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.