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
BIG CREEK Louisiana Fair 1992 85.3 m 9,661
PINE BAYOU CANAL Louisiana Fair 1988 62.2 m 9,661
CREEK Louisiana Fair 1987 30.5 m 9,661
HORSESHOE CANAL Louisiana Fair 1958 36.6 m 9,641
BAYOU MANCHAC Louisiana Poor 1931 99.1 m 9,615
VILLAR DRAINAGE Louisiana Poor 1971 17.4 m 9,608
BAYOU FRANCOIS Louisiana Good 1958 30.5 m 9,608
LAKE VILLAR Louisiana Fair 1983 69.8 m 9,608
SNELLS CANAL Louisiana Fair 1997 6.7 m 9,608
NEW RIVER Louisiana Poor 1982 17.4 m 9,608
VILLAR CANAL Louisiana Poor 1971 17.7 m 9,608
BLACK BAYOU Louisiana Poor 1983 23.2 m 9,608
MAHLIN BAYOU Louisiana Good 1940 11.0 m 9,576
DRAIN Louisiana Fair 1975 23.5 m 9,542
I.P. DRAINAGE CANAL Louisiana Fair 1973 23.2 m 9,490
NATALBANY RIVER Louisiana Fair 1956 152.4 m 9,490
WASHINGTON AVE. CANAL Louisiana Fair 1961 33.5 m 9,489
TIGER BAYOU Louisiana Good 1997 7.0 m 9,482
DRAIN Louisiana Good 1997 6.7 m 9,482
DRAIN Louisiana Good 1997 11.6 m 9,482
DRAIN Louisiana Good 1997 9.1 m 9,482
KINCAID LAKE Louisiana Fair 1944 9.4 m 9,482
DRAIN Louisiana Good 1997 15.8 m 9,482
DRAIN Louisiana Good 1997 6.7 m 9,482
DRAIN Louisiana Good 1997 8.5 m 9,482
DRAIN Louisiana Good 1997 8.8 m 9,482
BAYOU BOEUF Louisiana Fair 2005 29.9 m 9,482
DRAIN Louisiana Good 1997 6.4 m 9,482
DRAIN Louisiana Good 1997 14.0 m 9,482
TIGER BAYOU Louisiana Good 1997 18.3 m 9,482
DRAIN Louisiana Good 1944 8.5 m 9,482
BATON ROUGE BAYOU Louisiana Good 1993 36.6 m 9,464
PRAIRIE CREEK Louisiana Good 1986 110.3 m 9,417
VERNON LAKE Louisiana Good 1986 110.3 m 9,417
CREEK Louisiana Fair 1933 11.3 m 9,408
BOGUE FALAYA Louisiana Fair 1993 140.8 m 9,408
CREEK Louisiana Fair 1933 14.0 m 9,408
I-12 Louisiana Good 2006 121.9 m 9,389
MILLERS CANAL Louisiana Good 1963 24.4 m 9,389
GRAYS CREEK Louisiana Fair 1963 36.6 m 9,389
I-20 Louisiana Poor 1963 81.4 m 9,385
BAYOU PLAQUEMINE Louisiana Good 2008 152.4 m 9,371
CLAYCUT BAYOU Louisiana Fair 1963 36.6 m 9,346
BAYOU Louisiana Fair 1982 24.4 m 9,291
ENGLISH BAYOU Louisiana Poor 1963 48.8 m 9,291
I-10 Louisiana Fair 1964 88.4 m 9,291
GRAYS CREEK Louisiana Fair 1956 35.4 m 9,267
DRAIN Louisiana Fair 1976 23.5 m 9,267
FRENCH BRANCH Louisiana Fair 1963 30.5 m 9,260
I-59 Louisiana Fair 1963 95.4 m 9,260

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.