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
CANAL Louisiana Good 1976 24.7 m 8,250
CREEK Louisiana Fair 1964 7.9 m 8,250
I-110 Louisiana Good 1976 147.2 m 8,250
CHIPPEWA OFF RAMP Louisiana Fair 1970 115.8 m 8,250
HOLLYWOOD DITCH Louisiana Fair 1951 7.0 m 8,250
LOUISE ST ON RAMP Louisiana Fair 1963 150.3 m 8,250
FLA. ST. OFF RAMP Louisiana Fair 1963 98.8 m 8,250
FLA ST. ON RAMP Louisiana Fair 1963 93.9 m 8,250
CHIPPEWA ST. ON RAMP (SB Louisiana Good 1970 141.4 m 8,250
22 ST. OFF RAMP Louisiana Good 1970 96.6 m 8,250
DIVERSION CANAL Louisiana Good 2011 73.2 m 8,250
WYANDOTTE ST. ON RAMP Louisiana Fair 1970 80.2 m 8,250
CITY STREET Louisiana Fair 1963 516.6 m 8,250
MAIN ST. ON RAMP Louisiana Fair 1963 102.7 m 8,250
CONVENTION ST. ON RAMP Louisiana Fair 1963 121.6 m 8,250
WASH.ST. ON RAMP Louisiana Good 1963 69.2 m 8,250
OLD WARDS CREEK Louisiana Good 2011 48.8 m 8,250
EVANGELINE ON RAMP (N.B. Louisiana Good 1971 106.7 m 8,250
S. Acadian Thru. on Ramp Louisiana Fair 1964 189.3 m 8,250
Calumet St Louisiana Good 1970 121.0 m 8,250
I 110 US 190 0PS Louisiana Fair 1976 414.2 m 8,250
I-110 Louisiana Fair 1958 61.0 m 8,250
COULEE Louisiana Poor 1983 11.6 m 8,240
VERMILION RIVER Louisiana Fair 1971 41.1 m 8,240
BAYOU ST. CLAIRE Louisiana Good 1987 40.5 m 8,240
ST. LOUIS CANAL Louisiana Fair 1986 23.2 m 8,236
LATERAL C-6 Louisiana Fair 1978 7.6 m 8,214
BAYOU CHEVREVIL Louisiana Poor 1959 106.4 m 8,204
GULLY Louisiana Fair 1993 10.4 m 8,204
DRAIN CANAL Louisiana Fair 1965 23.2 m 8,204
BAYOU FRANCOIS Louisiana Good 1962 24.4 m 8,203
CREEK Louisiana Good 2000 6.4 m 8,188
CYPRESS CREEK Louisiana Fair 2000 30.5 m 8,188
AMITE RIVER RELIEF Louisiana Fair 2011 73.2 m 8,186
VALENTINE CANAL Louisiana Poor 1964 34.7 m 8,181
TCHACKCHOU BAYOU Louisiana Fair 1954 24.4 m 8,171
CANAL Louisiana Good 1954 24.4 m 8,171
AIRLINE DRAINAGE Louisiana Good 1954 36.6 m 8,171
CONWAY CANAL Louisiana Good 1954 30.5 m 8,171
DRAIN CANAL Louisiana Fair 1954 24.4 m 8,171
AIRLINE DRAINAGE Louisiana Good 1954 30.5 m 8,171
DRAIN CANAL Louisiana Good 1954 30.5 m 8,171
BLIND RIVER Louisiana Fair 1954 103.6 m 8,171
I-10 Louisiana Fair 1970 381.0 m 8,168
BOGALUSA CREEK Louisiana Good 1966 207.3 m 8,154
KINGS HIGHWAY Louisiana Fair 1992 58.2 m 8,132
OCKLEY DITCH Louisiana Fair 1965 6.7 m 8,132
LAMBERT PARK DITCH Louisiana Fair 1983 9.4 m 8,132
LITTLE FARMS DRAIN CANAL Louisiana Good 1982 7.9 m 8,125
OFF RAMP US 51 MANCHAC Louisiana Good 1979 170.7 m 8,115

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.