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
PORT DELUCE CREEK Louisiana Good 1996 189.0 m 4,317
DUGDEMONA RIVER RELIEF Louisiana Good 1996 48.8 m 4,317
BAYOU KING GEORGE Louisiana Fair 1960 36.6 m 4,313
AMITE RIVER REL Louisiana Fair 1960 24.4 m 4,313
AMITE RIVER-FRENCH SMEN Louisiana Fair 1960 283.8 m 4,313
AMITE RIVER RELIEF Louisiana Fair 1960 24.4 m 4,313
SIPHORIEN BAYOU Louisiana Fair 1950 8.2 m 4,308
DRAIN Louisiana Fair 1950 8.2 m 4,308
I-49 Louisiana Good 1985 112.8 m 4,308
LITTLE BAYOU NA BONCHASS Louisiana Poor 1957 61.0 m 4,306
Cheniere Spillway Louisiana Good 2024 45.7 m 4,300
DRAIN Louisiana Fair 1976 17.7 m 4,299
COFFMAN CREEK Louisiana Fair 1976 17.7 m 4,299
DUTCHMAN CREEK Louisiana Fair 1976 29.3 m 4,299
CREEK Louisiana Good 2003 30.5 m 4,294
GILMER BAYOU Louisiana Good 1986 91.4 m 4,294
BOGGY BAYOU Louisiana Poor 1969 52.1 m 4,294
BOGGY BAYOU Louisiana Fair 1969 57.9 m 4,294
BUCHANAN BAYOU Louisiana Fair 1969 17.4 m 4,294
CREEK Louisiana Fair 1969 11.6 m 4,294
GRAND CAILLOU BAYOU Louisiana Poor 1980 11.6 m 4,278
TICKFAW RIVER Louisiana Good 2011 97.5 m 4,270
I-12 Louisiana Good 1968 67.7 m 4,270
CAT BRANCH Louisiana Good 1998 23.2 m 4,270
BIG BRANCH Louisiana Good 1999 13.1 m 4,270
CREEK Louisiana Good 2004 12.5 m 4,270
CREEK Louisiana Good 2004 12.5 m 4,270
BAYOU CASTOR Louisiana Good 2006 67.1 m 4,268
LITTLE PRAIRIE CREEK Louisiana Good 2006 30.5 m 4,268
BAYOU BOURBEAU Louisiana Fair 1959 54.9 m 4,266
DRAIN Louisiana Fair 1934 8.2 m 4,262
Dawson Cr Louisiana Good 2021 36.6 m 4,262
BAYOU Louisiana Fair 2022 30.5 m 4,262
DRAIN Louisiana Fair 1934 7.9 m 4,262
B.N. & S.F. R/R CREEK Louisiana Fair 2002 241.1 m 4,262
Sharp Station Canal Louisiana Fair 1970 9.8 m 4,262
CHENE BAYOU Louisiana Fair 1985 54.9 m 4,262
EAST LACASSINE BAYOU Louisiana Fair 1985 30.5 m 4,262
EAST LACASSINE BAYOU Louisiana Good 1992 48.8 m 4,262
BAYOU PETIT CAILLOU Louisiana Good 2016 48.8 m 4,256
DRAIN Louisiana Poor 1964 7.9 m 4,254
DRAIN Louisiana Fair 1932 21.0 m 4,253
TECHE BAYOU Louisiana Fair 1974 64.0 m 4,252
BAYOU Louisiana Fair 1951 8.2 m 4,251
B.GRAND CANE RLF Louisiana Fair 1951 36.6 m 4,251
BAYOU GRAND CANE Louisiana Fair 1951 61.0 m 4,251
DRAIN Louisiana Fair 1951 24.4 m 4,251
COULEE Louisiana Good 2004 45.7 m 4,250
CASTOR BAYOU Louisiana Fair 1990 8.8 m 4,249
BAYOU ESTES Louisiana Good 1990 8.8 m 4,249

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.