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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.

Clear
BridgeLocationConditionYear BuiltLengthADT
N.FORK CHOUDRANT W-BOUND Louisiana Fair 1960 48.8 m 37,514
LEATHERMAN CREEK Louisiana Fair 1964 68.6 m 37,514
L & NW R/R Louisiana Fair 1964 107.3 m 37,514
W RELIEF CHOUDRANT CREEK Louisiana Fair 1960 67.1 m 37,514
BOGGY BRANCH Louisiana Fair 1964 10.1 m 37,514
BLACK LAKE BAYOU Louisiana Fair 1960 61.0 m 37,514
I-20 SERVICE RD. Louisiana Fair 1996 9.4 m 37,514
BEAR CREEK Louisiana Fair 1964 53.3 m 37,514
LEATHERMAN CREEK Louisiana Fair 1964 68.6 m 37,514
CROWS CR RELIEF Louisiana Fair 1960 48.8 m 37,514
BLACK LAKE CREEK Louisiana Fair 1964 68.6 m 37,514
SALINE BAYOU Louisiana Fair 1963 7.9 m 37,514
MID. REL CHOUDRANT CREEK Louisiana Fair 1960 73.2 m 37,514
CANEY CREEK Louisiana Fair 1964 38.1 m 37,514
L & N W RAILROAD Louisiana Fair 1986 110.3 m 37,514
CHOUDRANT CREEK Louisiana Fair 1960 103.6 m 37,514
CROWS CR RELIEF Louisiana Poor 1960 48.8 m 37,514
BLACK LAKE BAYOU Louisiana Fair 1960 61.0 m 37,514
BEAR CREEK Louisiana Poor 1964 53.3 m 37,514
BEAR CR RELIEF Louisiana Fair 1964 53.3 m 37,514
CANEY CREEK Louisiana Fair 1964 38.1 m 37,514
CREEK Louisiana Fair 1964 7.3 m 37,514
BLACK LAKE CREEK Louisiana Fair 1964 15.5 m 37,514
BAYOU PORTAGE Louisiana Fair 1970 55.5 m 37,370
W ATCHAFALAYA FLOODWAY Louisiana Fair 1971 7,144.5 m 37,370
LA 1032 Louisiana Good 1970 46.3 m 37,161
WEST COLYELL CR Louisiana Fair 1970 61.0 m 37,161
MIDDLE COLYELL CREEK Louisiana Good 1970 61.0 m 37,161
HORNSBY CREEK Louisiana Good 1969 38.1 m 37,161
GRAYS CREEK Louisiana Fair 1970 45.7 m 37,161
LA 3002 Louisiana Fair 1970 60.7 m 37,161
COLYELL CREEK Louisiana Fair 1969 61.0 m 37,161
DUMPLIN CREEK Louisiana Fair 1970 30.5 m 37,161
NATALBANY RIVER Louisiana Fair 1970 164.6 m 37,140
N O P B RR(CLAIBORNE AVE Louisiana Poor 1949 358.4 m 36,993
Japonica St. Louisiana Fair 1957 184.4 m 36,993
INDUSTRIAL CANAL Louisiana Fair 1957 85.3 m 36,993
DRAIN Louisiana Good 1970 9.1 m 36,951
WEST PEARL RIVER Louisiana Fair 1997 806.2 m 36,841
INDIAN BAYOU Louisiana Fair 1962 103.6 m 36,841
RONES BAYOU Louisiana Fair 1962 79.2 m 36,841
CLEAR BAYOU Louisiana Fair 1962 121.9 m 36,841
MIDDLE SLOUGH Louisiana Fair 1962 48.8 m 36,841
YELLOW BAYOU Louisiana Fair 1962 97.5 m 36,841
DRY BAYOU Louisiana Fair 1962 73.2 m 36,841
BAYOU DES CANNES Louisiana Fair 1961 122.5 m 36,670
BAYOU NAZPIQUE Louisiana Fair 1961 483.7 m 36,670
DRAIN Louisiana Good 1961 8.2 m 36,670
YELLOW WATER Louisiana Good 1968 73.8 m 36,311
US 190 Louisiana Good 1968 71.3 m 36,311

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.