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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.

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BridgeLocationConditionYear BuiltLengthADT
BLACK BAYOU RELIEF Louisiana Good 2004 36.3 m 13,633
OUACHITA RIVER @ COLUMBI Louisiana Fair 2007 739.4 m 13,633
HOLLYWOOD CANAL Louisiana Fair 1988 67.1 m 13,617
BLUE BAYOU Louisiana Fair 1988 6.1 m 13,617
BAYOU TERRIBONE Louisiana Good 2013 55.8 m 13,617
INTRACOASTAL WW Louisiana Fair 1980 1,279.2 m 13,617
WARD CREEK Louisiana Fair 1940 9.4 m 13,549
PANAMA CANAL Louisiana Good 2008 30.5 m 13,542
CONWAY BAYOU Louisiana Fair 1978 38.1 m 13,542
DRAINAGE CANAL Louisiana Fair 1986 61.0 m 13,540
BAYOU COCODRIE Louisiana Good 1987 73.2 m 13,540
BAYOU COCODRIE Louisiana Fair 1986 68.6 m 13,540
REST AREA Louisiana Fair 1986 73.2 m 13,540
BAYOU CARRON Louisiana Fair 1983 61.0 m 13,540
LA 103-COURTABLEAU BAYOU Louisiana Good 1987 295.0 m 13,540
LA0010 Louisiana Poor 1989 158.8 m 13,540
LA 745 BOEUF BAYOU Louisiana Good 1986 187.5 m 13,540
DRAINAGE CANAL Louisiana Fair 1986 54.9 m 13,540
DRAINAGE CANAL Louisiana Fair 1986 42.7 m 13,540
BAYOU BOURBEAU Louisiana Fair 1962 48.8 m 13,540
BAYOU DELPUENTE Louisiana Fair 1983 45.7 m 13,540
US 167 EXT. Louisiana Good 1983 347.5 m 13,540
E. PRUDHOMME STREET Louisiana Fair 1983 134.1 m 13,540
LA0029 Louisiana Fair 1987 95.1 m 13,540
DRAINAGE CANAL Louisiana Fair 1982 53.3 m 13,535
DRAINAGE CANAL Louisiana Fair 1982 22.9 m 13,535
LA 182 / Drainage Canal Louisiana Good 1980 715.4 m 13,535
MC MAHON CANAL Louisiana Fair 1976 76.2 m 13,535
BAYOU FOLSE & CANAL Louisiana Fair 1976 199.9 m 13,535
B.CUTOFF Louisiana Fair 1976 53.3 m 13,535
US0071 Louisiana Good 2010 76.2 m 13,476
BAYOU COURTABLEAU E.B. Louisiana Fair 2004 118.9 m 13,476
BAYOU DARBONNE E.B. Louisiana Good 2004 774.2 m 13,476
SLOW BAYOU E.B. Louisiana Good 2004 316.1 m 13,476
VERMILION RIVER Louisiana Good 2003 167.9 m 13,385
MACKS BAYOU Louisiana Fair 1965 7.0 m 13,317
ARNOLDS CREEK Louisiana Fair 2003 19.5 m 13,316
BAYOU TESSON Louisiana Fair 1975 30.5 m 13,213
BAYOU BOURBEAUX Louisiana Fair 1975 30.5 m 13,213
METAIRIE RELIEF CANAL Louisiana Good 2000 43.3 m 13,208
COULEE BEAU Louisiana Fair 2005 24.4 m 13,175
COULEE BEAU Louisiana Good 2005 30.2 m 13,175
AMITE RIVER @ PVINCENT Louisiana Poor 1963 121.3 m 13,122
BAYOU VILLAR Louisiana Fair 1984 34.7 m 13,122
KCS RR Louisiana Good 2016 78.3 m 13,100
BAYOU TIGRE Louisiana Fair 1957 30.5 m 13,088
N. BRANCH WARDS CREEK Louisiana Good 1968 11.6 m 13,034
DRAINAGE CANAL Louisiana Good 1997 48.8 m 13,000
DRAIN CANAL Louisiana Good 1980 11.6 m 12,998
ST. LOUIS CANAL Louisiana Fair 1981 38.1 m 12,998

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.