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
DRAINAGE CANAL Louisiana Good 1976 30.5 m 27,665
HUFFMAN CREEK Louisiana Good 1996 9.8 m 27,628
LA 1 FRONTAGE RD. UP R Louisiana Fair 1994 1,265.8 m 27,628
US 71 Louisiana Good 1981 82.3 m 27,628
US167 FR RDS CITY ST R Louisiana Fair 1966 515.7 m 27,628
UP & LAS RR Louisiana Fair 1970 139.3 m 27,628
US 167 MESSER ST KCS R Louisiana Fair 1966 360.3 m 27,628
US 165 Louisiana Fair 1970 81.1 m 27,628
LA 28 Louisiana Fair 1966 61.0 m 27,628
RED RIVER GREER ST. Louisiana Good 1996 617.8 m 27,628
MISSISSIPPI BAYOU Louisiana Fair 1975 38.1 m 27,551
SWAMP Louisiana Fair 2008 39.3 m 27,551
SWAMP Louisiana Fair 2008 39.3 m 27,551
HOPE CANAL Louisiana Fair 1975 47.2 m 27,551
RESERVE RELIEF CANAL Louisiana Good 1974 5,709.2 m 27,551
Drain Louisiana Fair 1984 9.4 m 27,372
Drain Louisiana Fair 1984 20.1 m 27,372
US 51 & SWAMPS Louisiana Good 1972 3,571.0 m 27,372
COULEE MINE Louisiana Poor 1958 36.6 m 27,213
CREEK Louisiana Good 1968 7.6 m 27,213
I-10; RR; STS Louisiana Poor 1951 789.1 m 27,209
WARD CREEK Louisiana Fair 1967 36.9 m 27,063
RED RIVER FANT/PARKWAY Louisiana Fair 1972 820.5 m 26,979
CYPRESS BAYOU Louisiana Good 1988 50.9 m 26,976
Monte Sano Bayou Louisiana Good 1976 35.7 m 26,976
BLACKWATER BAYOU Louisiana Good 1988 46.3 m 26,976
KCS & ICG RAILROAD Louisiana Fair 1972 368.2 m 26,976
COMITE RIVER Louisiana Fair 1988 101.2 m 26,976
BAYOU Louisiana Fair 1976 34.4 m 26,976
CANAL NUMBER 2 Louisiana Good 1960 7.6 m 26,950
VETERANS MEMORIAL BLVD. Louisiana Good 1977 474.3 m 26,850
DRAINAGE CANAL Louisiana Fair 1981 13.4 m 26,528
CYPRESS BAYOU Louisiana Good 2009 58.5 m 26,463
JONES CREEK Louisiana Good 2000 42.7 m 26,405
US 61-SCENIC Louisiana Poor 1940 61.0 m 26,376
DRAIN Louisiana Fair 1953 7.0 m 26,330
COMMON STREET Louisiana Fair 1975 44.5 m 26,200
ON RAMP FROM LA308 Louisiana Good 1976 335.9 m 26,058
BNSF/Walker Rd Louisiana Fair 1983 207.9 m 26,010
VERMILION RIVER Louisiana Fair 1965 104.2 m 26,010
BAYOU Louisiana Fair 1975 19.5 m 25,890
BAYOU MARINA Louisiana Fair 1992 9.8 m 25,890
LA 347 Louisiana Good 1970 293.5 m 25,875
BAYOU CONWAY Louisiana Fair 1979 36.6 m 25,735
CANAL Louisiana Good 1975 15.2 m 25,735
LA 44 Louisiana Fair 1979 87.2 m 25,735
DRAINAGE CANAL Louisiana Good 1979 9.4 m 25,735
HACKETT CANAL Louisiana Good 1979 11.9 m 25,735
LA 22 Louisiana Fair 1979 79.2 m 25,735
DRAINAGE CANAL Louisiana Fair 1979 8.2 m 25,735

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.