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
CREEK Louisiana Poor 1976 17.7 m 1,471
ST LOUIS CANAL Louisiana Fair 1976 23.2 m 1,471
BAYOU NAZPIQUE Louisiana Fair 1961 453.2 m 1,471
DES CANNES RELIEF Louisiana Fair 1961 122.5 m 1,471
Plant Rd Louisiana Fair 1961 86.0 m 1,471
LEWING CREEK Louisiana Fair 1977 42.7 m 1,471
WEST TORO CREEK Louisiana Poor 1985 17.4 m 1,471
BAYOU JONAS Louisiana Fair 1961 61.6 m 1,471
DRAIN Louisiana Fair 1961 11.0 m 1,471
AKDNRR & FRANKEL FARM RD Louisiana Fair 1961 109.7 m 1,471
BAYOU PLAQUEMINE Louisiana Fair 1961 168.2 m 1,471
TORO CREEK Louisiana Good 1997 48.8 m 1,471
LYLES CREEK Louisiana Fair 1982 29.0 m 1,471
GOODSON CREEK RELIEF Louisiana Good 1985 11.6 m 1,471
DRY CREEK Louisiana Fair 1985 17.4 m 1,471
GOODSON CREEK Louisiana Fair 1961 30.5 m 1,471
WEST HOG BRANCH Louisiana Fair 1966 42.7 m 1,467
DRAIN Louisiana Fair 1966 18.3 m 1,467
CREEK Louisiana Poor 1955 18.0 m 1,467
CREEK Louisiana Fair 1952 30.5 m 1,467
I-20 Louisiana Fair 1971 81.7 m 1,467
HURRICANE BAYOU Louisiana Fair 1950 35.4 m 1,467
JEEMS BAYOU Louisiana Poor 1973 162.2 m 1,464
HAROLD CREEK Louisiana Fair 1987 36.6 m 1,464
I-49 Louisiana Good 1987 85.3 m 1,460
I-49 Louisiana Good 1989 141.1 m 1,460
I-49 Louisiana Good 1989 107.9 m 1,460
I-49 RAMP UPR/R HYNSON B Louisiana Good 1989 393.5 m 1,460
LITTLE NATCHEZ BAYOU Louisiana Poor 1955 61.3 m 1,457
CREEK Louisiana Good 2004 24.4 m 1,456
CREEK Louisiana Good 1995 11.3 m 1,456
DRAIN Louisiana Good 1996 8.2 m 1,456
Bayou Alexandre Louisiana Good 2020 82.3 m 1,454
CREEK Louisiana Fair 1930 19.5 m 1,451
BAYOU MACON Louisiana Poor 1955 128.9 m 1,451
DRAIN Louisiana Fair 1930 7.0 m 1,451
DRAIN Louisiana Fair 1930 7.3 m 1,451
DRAIN Louisiana Fair 1953 7.3 m 1,451
BAYOU Louisiana Fair 1953 9.1 m 1,451
DRAIN Louisiana Fair 1930 7.3 m 1,451
BEE BAYOU Louisiana Fair 1930 21.9 m 1,451
CREEK Louisiana Fair 1930 66.4 m 1,451
CYPRESS BAYOU Louisiana Fair 1930 28.7 m 1,451
BIG CREEK Louisiana Fair 1982 91.4 m 1,451
HURRICANE Louisiana Fair 1930 28.7 m 1,451
COW BAYOU Louisiana Fair 1930 19.2 m 1,451
DRAIN Louisiana Fair 1953 7.0 m 1,451
LITTLE CREEK Louisiana Fair 1930 56.7 m 1,451
DRAIN TO GARRETT CREEK Louisiana Good 2001 6.4 m 1,450
BLACK BAYOU TRIB. Louisiana Fair 1988 11.6 m 1,449

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.