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
CR Louisiana Good 2008 18.3 m 500
I C RAILROAD Louisiana Good 1984 43.3 m 500
CYPRESS BAYOU Louisiana Fair 2003 53.9 m 500
BRUSHY BAYOU Louisiana Fair 1983 57.0 m 500
TALLA BENA BAYOU Louisiana Good 2003 18.0 m 500
DRAINAGE CANAL Louisiana Fair 2008 11.6 m 500
N TUPAWEK BAYOU Louisiana Good 2024 13.4 m 500
YOUNGS BAYOU DRAIN CANAL Louisiana Fair 1975 11.6 m 500
DESIARD BAYOU Louisiana Fair 1966 119.8 m 500
HICKORY BRANCH Louisiana Fair 1983 34.7 m 500
WELSH DRAINAGE CANAL Louisiana Poor 1983 17.4 m 500
WELSH DRAINAGE CANAL Louisiana Poor 1983 17.4 m 500
SHINGLE MILL BRANCH Louisiana Fair 1981 23.8 m 500
SHINGLE MILL CREEK Louisiana Fair 1981 23.8 m 500
GORDIE BRANCH Louisiana Fair 1977 12.2 m 500
BALL BRANCH Louisiana Fair 1981 23.8 m 500
TWO MILE BRANCH Louisiana Fair 1981 12.2 m 500
YELLOW BRANCH Louisiana Good 1994 30.5 m 500
UNNAMED BRANCH Louisiana Good 1994 10.1 m 500
ASH SLOUGH Louisiana Good 2007 23.2 m 500
TURKEY CREEK Louisiana Good 2004 30.5 m 500
NEW RIVER CANAL Louisiana Good 1998 29.0 m 500
NEW RIVER CANAL Louisiana Fair 1991 23.2 m 500
DUCK ROOST BAYOU Louisiana Poor 1994 17.7 m 500
NEW RIVER CANAL Louisiana Good 1999 29.0 m 500
BAYOU NARCISSE Louisiana Fair 1994 23.2 m 500
BLACK BAYOU Louisiana Good 1984 29.0 m 500
GRAND GOUDINE BAYOU Louisiana Fair 1970 11.6 m 500
BLACK BAYOU Louisiana Poor 1980 11.6 m 500
BLACK BAYOU Louisiana Fair 1973 17.4 m 500
CORPORATION CANAL Louisiana Good 2009 32.9 m 500
DRAINAGE CANAL Louisiana Fair 1978 17.4 m 500
ROBERTS CANAL Louisiana Good 1996 24.7 m 500
BRUSHY BAYOU Louisiana Poor 1967 11.9 m 500
BAYOU POYDRAS Louisiana Poor 1973 9.8 m 500
CREEK Louisiana Good 1998 12.2 m 500
MILLERS CANAL Louisiana Poor 1978 17.4 m 500
WEST COYLELL CREEK Louisiana Good 2007 30.5 m 500
MILLERS CANAL Louisiana Poor 1978 11.6 m 500
COLYELL CREEK BRIDGE Louisiana Good 1996 23.2 m 500
TAYLOR BRANCH Louisiana Fair 1990 9.1 m 500
CREEK Louisiana Good 2019 18.3 m 500
TWELVE MILE CREEK RELIEF Louisiana Good 2009 29.9 m 500
Coffman Creek Louisiana Good 2019 18.3 m 500
Branch Louisiana Good 2019 18.3 m 500
Branch Louisiana Good 2020 18.3 m 500
CANAL Louisiana Good 2011 7.6 m 500
CANAL Louisiana Fair 1974 11.6 m 500
CANAL Louisiana Poor 1974 11.6 m 500
N CAUSEWAY APPR S BOUND Louisiana Good 1993 45.7 m 500

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.