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
I-20 Louisiana Fair 1964 78.3 m 3,250
NEW IBERIA SOUTHERN CANA Louisiana Poor 1999 30.5 m 3,244
BEAVER CREEK Louisiana Fair 1950 22.6 m 3,242
TECHE BAYOU/OLIVIER Louisiana Poor 1963 80.2 m 3,241
TETE BAYOU Louisiana Fair 1972 17.4 m 3,241
CHOCTAW BAYOU Louisiana Fair 1963 36.6 m 3,239
INDIAN BAYOU Louisiana Poor 1965 17.7 m 3,236
BAYOU DES CANNES Louisiana Good 1990 85.3 m 3,235
BAYOU MARIA Louisiana Poor 1993 11.6 m 3,220
CREEK Louisiana Fair 1948 8.2 m 3,216
SOUTH RELIEF CANL Louisiana Good 1959 18.3 m 3,212
CREEK Louisiana Good 2014 6.9 m 3,212
CREEK Louisiana Good 2013 11.3 m 3,212
CREEK Louisiana Good 2013 14.6 m 3,212
VINCENT CANAL Louisiana Good 1959 18.3 m 3,212
MARE MICHELE Louisiana Fair 1952 29.9 m 3,212
AVRICO CANAL Louisiana Fair 1952 37.2 m 3,212
CALCASIEU RIVER Louisiana Fair 1980 384.7 m 3,210
MILE BR. Louisiana Poor 1970 11.9 m 3,200
Creek Louisiana Good 2024 6.9 m 3,200
Ile Des Cannes Coulee Louisiana Fair 1992 15.5 m 3,200
HIPPOLYTE COULEE Louisiana Fair 1955 11.0 m 3,197
BLACK BAYOU Louisiana Fair 1974 27.4 m 3,197
CANAL Louisiana Good 2017 15.2 m 3,191
DRAINAGE CANAL Louisiana Fair 1990 8.5 m 3,191
LITTLE COMITE RIVER Louisiana Fair 1951 37.2 m 3,188
DRAIN Louisiana Fair 2013 11.6 m 3,187
TROUT CREEK Louisiana Fair 1964 61.0 m 3,187
BAYOU Louisiana Fair 1975 18.3 m 3,177
DRAINAGE CANAL Louisiana Fair 1978 9.1 m 3,177
ASH SLOUGH Louisiana Good 2016 30.5 m 3,175
DELAHOUSSAYE CANAL Louisiana Fair 1963 36.6 m 3,169
DRAIN Louisiana Fair 1962 7.0 m 3,166
DRAIN Louisiana Fair 1962 7.0 m 3,166
DRAINAGE CANAL Louisiana Good 1983 18.3 m 3,166
W. LACASSINE BAYOU Louisiana Fair 1983 9.1 m 3,166
GULLY Louisiana Fair 1983 9.1 m 3,166
GULLY Louisiana Fair 1983 12.8 m 3,166
I-10 Louisiana Fair 1964 67.1 m 3,166
DRAIN Louisiana Fair 1962 10.7 m 3,166
GULLY Louisiana Fair 1983 13.4 m 3,166
BAYOU Louisiana Fair 1996 17.4 m 3,166
UNION PACIFIC RR Louisiana Fair 2004 623.0 m 3,162
ILE DES CANNES COULEE Louisiana Poor 1973 23.2 m 3,160
Anslem Coulee Louisiana Good 2012 22.9 m 3,155
Bayou Breaux Louisiana Good 2024 24.4 m 3,144
BRUSH BAYOU Louisiana Fair 1988 67.1 m 3,127
SWAMP Louisiana Fair 1971 91.4 m 3,126
SABINE RIVER Louisiana Fair 1981 204.2 m 3,126
SWAMP Louisiana Fair 1971 85.3 m 3,126

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.