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
JONES CREEK Louisiana Fair 1958 42.7 m 18,309
LIVELY BAYOU Louisiana Fair 2006 11.0 m 18,309
LIVELY BAYOU Louisiana Fair 1958 36.6 m 18,309
KISATCHIE BAYOU Louisiana Fair 1988 286.5 m 18,305
COMITTE BAYOU Louisiana Fair 1984 30.5 m 18,305
BAYOU LACARP Louisiana Poor 1986 12.8 m 18,305
LA 120 Louisiana Fair 1988 87.2 m 18,305
LA 478 Louisiana Good 1986 88.4 m 18,305
LIMEKILN BAYOU Louisiana Good 1985 10.7 m 18,305
YOUNGS BAYOU Louisiana Good 1986 42.7 m 18,305
LA 490 Louisiana Fair 1985 65.2 m 18,305
CREEK Louisiana Fair 1984 29.0 m 18,305
EMMANUEL ROAD Louisiana Good 1985 46.9 m 18,305
LA 119 Louisiana Fair 1985 64.6 m 18,305
B.JULIAN/LONGLOIS HILL Louisiana Fair 1988 102.1 m 18,305
JOHNSON CHUTE BAYOU Louisiana Fair 1985 125.0 m 18,305
MIDDLE BAYOU Louisiana Good 1985 9.1 m 18,305
CREEK Louisiana Good 1984 8.8 m 18,305
BAYOU BARBUE Louisiana Fair 1984 103.6 m 18,305
LA 493 Louisiana Good 1986 62.8 m 18,305
LA 6 Louisiana Fair 1987 61.0 m 18,305
GUMROOT BAYOU Louisiana Good 1986 30.5 m 18,305
LA 485 Louisiana Fair 1987 61.0 m 18,305
BAYOU DERBONNE Louisiana Poor 1986 15.2 m 18,305
DRAINAGE DITCH Louisiana Fair 1986 8.5 m 18,305
LOST BAYOU Louisiana Good 1987 36.6 m 18,305
BARBUE BAYOU TRIB. Louisiana Fair 1984 48.8 m 18,305
YELLOW WATER CREEK Louisiana Good 1995 42.7 m 18,303
I0055 Louisiana Fair 1995 90.8 m 18,303
PONCHATOULA CREEK Louisiana Good 1995 67.1 m 18,303
VERMILION RIVER Louisiana Fair 1954 46.3 m 18,293
COULEE Louisiana Good 2000 16.5 m 18,293
BAYOU TECHE Louisiana Good 1980 63.1 m 18,293
Paved Ditch Louisiana Good 2000 14.3 m 18,293
YELLOW WATER RIVER Louisiana Fair 1969 61.0 m 18,261
CREEK Louisiana Fair 1970 42.7 m 18,222
US 61 Louisiana Fair 1961 83.2 m 18,212
BONNABEL CANAL Louisiana Fair 1960 24.4 m 18,150
DRAIN Louisiana Fair 1973 6.1 m 18,127
LA 1 FR. ROAD UP RR Louisiana Good 1996 1,265.8 m 18,100
DRAIN Louisiana Poor 1964 9.1 m 18,056
PALMETTO CREEK Louisiana Fair 2012 11.0 m 18,056
I-10 Louisiana Fair 1963 114.0 m 18,040
DIAMOND GULLY Louisiana Fair 1997 24.4 m 18,040
UPRR Louisiana Fair 1972 196.9 m 18,040
ENGLISH BAYOU Louisiana Fair 1969 288.6 m 18,040
LITTLE INDIAN BAYOU Louisiana Fair 1997 42.7 m 18,040
OCKLEY DITCH Louisiana Good 1996 18.3 m 18,000
BAYOU BLACK Louisiana Fair 1953 46.6 m 17,751
CONTRABAND BAYOU Louisiana Fair 1999 42.7 m 17,746

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.