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
COWPEN BRANCH Louisiana Fair 2015 9.1 m 1,400
HEMPHILL CREEK Louisiana Fair 1966 67.4 m 1,400
I-10 Louisiana Fair 1977 102.1 m 1,400
WALLACE BAYOU Louisiana Fair 1982 61.0 m 1,400
DRAINAGE CANAL Louisiana Fair 1984 18.3 m 1,400
WIGGINS BAYOU Louisiana Good 2021 18.3 m 1,400
Badley RD/Park Louisiana Fair 1982 64.3 m 1,399
LITTLE WALLACE BAYOU Louisiana Fair 1959 9.8 m 1,398
BAYOU Louisiana Fair 1939 11.9 m 1,397
BAYOU PETITE Louisiana Fair 1994 12.8 m 1,397
GULLY Louisiana Fair 1983 8.5 m 1,395
CREEK Louisiana Good 1975 6.4 m 1,394
BAYOU LOUIS Louisiana Fair 1989 179.8 m 1,394
OUACHITA RIVER Louisiana Fair 2017 998.2 m 1,394
COULEE CANAL Louisiana Good 2007 25.3 m 1,392
GUM BAYOU BRIDGE Louisiana Fair 1986 17.4 m 1,392
HOLLYWOOD DITCH Louisiana Fair 1983 8.2 m 1,392
EAST LACASSINE BAYOU Louisiana Fair 2004 48.8 m 1,391
Indian Bayou Louisiana Poor 1972 29.0 m 1,391
DITCH Louisiana Good 1964 6.7 m 1,391
DRAIN Louisiana Fair 1931 8.2 m 1,391
EAST LACASSINE BAYOU Louisiana Fair 2003 36.0 m 1,391
CORPORATION CANAL Louisiana Poor 1955 29.0 m 1,390
BAYOU TECHE Louisiana Fair 1980 92.0 m 1,390
WRIGHTS CREEK Louisiana Fair 1968 58.5 m 1,388
TALLEYS CREEK Louisiana Fair 1968 58.5 m 1,388
HOLDENS CREEK Louisiana Fair 1968 58.5 m 1,388
NANTACHIE CREEK Louisiana Fair 1983 67.1 m 1,388
LASALLE COULEE Louisiana Fair 1966 17.4 m 1,388
BEAVER BAYOU Louisiana Poor 1968 29.0 m 1,386
HUB BAYOU Louisiana Poor 1968 29.0 m 1,386
CREEK Louisiana Fair 1977 17.7 m 1,384
CREEK Louisiana Fair 1948 8.2 m 1,382
CREEK Louisiana Good 1954 11.0 m 1,382
BLACK BAYOU Louisiana Fair 1980 121.9 m 1,382
CREEK Louisiana Fair 1948 8.8 m 1,382
BODCAU BAYOU Louisiana Good 1994 137.2 m 1,382
BAYOU PIERRE TRIB Louisiana Good 1988 7.0 m 1,381
BEAVER CREEK Louisiana Poor 1971 17.7 m 1,379
LITTLE SANDY CREEK Louisiana Fair 1971 40.5 m 1,379
DUFF BAYOU Louisiana Poor 1970 23.8 m 1,379
TOPY CR Louisiana Good 2017 30.5 m 1,377
TOPY CREEK RELIEF Louisiana Poor 1975 34.7 m 1,377
DRAIN Louisiana Poor 1975 23.2 m 1,377
TOPY CREEK RELIEF Louisiana Poor 1975 40.5 m 1,377
NELSON CREEK Louisiana Fair 1974 9.1 m 1,377
CASTOR CR. RELIEF Louisiana Fair 1974 30.5 m 1,377
DRAIN Louisiana Poor 1975 17.4 m 1,377
CASTOR CREEK Louisiana Fair 1974 36.6 m 1,377
YELLOW WATER RIVER Louisiana Fair 1998 40.5 m 1,372

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.