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
BAYOU CHOLPE Louisiana Good 1996 48.8 m 20,176
BAYOU TOMMY Louisiana Fair 1951 6.4 m 20,176
M.P. RR @ LIVONIA Louisiana Fair 1984 463.0 m 20,176
ATCHAFALAYA R @ KSPNGS Louisiana Fair 1973 1,037.2 m 20,176
SLOW BAYOU W.B. Louisiana Good 2005 316.1 m 20,176
POYDRAS BAYOU Louisiana Fair 1952 13.1 m 20,176
Two Oclock Bayou Louisiana Good 2004 774.2 m 20,176
ATCHAFALAYA FLOODWAY Louisiana Fair 1961 1,214.3 m 20,176
LATANIS BAYOU Louisiana Good 1972 32.9 m 20,176
US 71 Louisiana Good 2010 76.5 m 20,176
BAYOU COURTABLEAU W.B. Louisiana Good 2005 118.9 m 20,176
UPRR/ Acadia Prep Cir Louisiana Poor 1962 124.1 m 20,176
BAYOU CLAUSE Louisiana Fair 2002 36.0 m 20,097
DRAINAGE CANAL Louisiana Fair 1975 27.4 m 20,097
40 ARPENT CANAL Louisiana Fair 1968 46.3 m 20,091
DRAINAGE CANAL Louisiana Good 1968 11.6 m 20,091
DRAINAGE CANAL Louisiana Poor 1968 11.6 m 20,091
DRAINAGE CANAL Louisiana Fair 1968 11.6 m 20,091
MURPHY CANAL Louisiana Fair 1976 24.1 m 20,000
OAKWOOD CANAL Louisiana Good 1960 9.1 m 20,000
CANAL NO 4 Louisiana Good 1979 7.9 m 20,000
CANAL #3 Louisiana Good 1982 8.8 m 20,000
CANAL #3 Louisiana Good 1982 8.5 m 20,000
DRAINAGE CANAL Louisiana Fair 1986 42.7 m 19,966
CREEK Louisiana Good 2011 61.0 m 19,939
CREEK Louisiana Good 2011 61.0 m 19,939
DAWSON CREEK Louisiana Fair 1986 54.9 m 19,923
I-10 Louisiana Fair 1988 85.3 m 19,872
BAYOU DINDE Louisiana Good 2021 24.4 m 19,872
BAYOU DINDE Louisiana Fair 1987 42.7 m 19,872
Little Bayou DINDE Louisiana Fair 2021 36.6 m 19,872
VALCOURT COULEE Louisiana Fair 1967 7.0 m 19,800
VERMILION R/ABBEVILLE Louisiana Poor 1964 107.6 m 19,800
CONTRABAND BAYOU Louisiana Fair 2012 42.7 m 19,793
DRAIN Louisiana Good 1985 13.1 m 19,766
BAYOU COCODRIE Louisiana Fair 1987 73.2 m 19,693
LA0029 Louisiana Fair 1987 95.1 m 19,693
I-12 Louisiana Fair 1995 67.1 m 19,612
Paved Ditch Louisiana Fair 1981 10.7 m 19,557
BONNABEL CANAL Louisiana Fair 1960 24.4 m 19,550
AMITE RIVER Louisiana Good 2012 777.2 m 19,524
CYPRESS BAYOU Louisiana Good 1984 50.3 m 19,515
JONES CREEK Louisiana Fair 1958 48.8 m 19,515
US 61 Louisiana Poor 1968 64.6 m 19,515
COMITE RIVER Louisiana Fair 1984 100.6 m 19,515
CYPRESS BAYOU Louisiana Good 2009 58.5 m 19,515
BLACKWATER BAYOU Louisiana Good 1984 45.7 m 19,515
SOUTH CANAL Louisiana Fair 1988 73.2 m 19,515
COMITE RIVER Louisiana Good 1977 91.4 m 19,515
LIVELY BAYOU Louisiana Fair 1958 30.5 m 19,515

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.