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 Teche Louisiana Fair 1949 53.6 m 4,721
SUMMER GROVE DITCH Louisiana Good 2003 15.2 m 4,720
SCARBOROUGHS CREEK Louisiana Fair 1960 18.3 m 4,719
CREEK Louisiana Fair 1960 18.3 m 4,719
CREEK Louisiana Fair 1960 24.4 m 4,719
SCARBOROUGHS CREEK Louisiana Fair 1960 18.3 m 4,719
PARC PERDU BAYOU Louisiana Good 2016 36.6 m 4,714
CREEK Louisiana Good 2015 18.3 m 4,714
PONCHITOLAWA CR Louisiana Good 1976 61.0 m 4,708
JAHNCKE CANAL Louisiana Fair 1972 30.5 m 4,707
CREEK Louisiana Fair 1950 29.9 m 4,706
SHILD CREEK Louisiana Fair 1950 29.9 m 4,706
WILLIAMSON CREEK Louisiana Fair 1950 29.9 m 4,706
CREEK Louisiana Good 1950 8.2 m 4,706
LITTLE RIVER Louisiana Poor 1956 195.7 m 4,700
BAYOU DOZA Louisiana Fair 2001 42.7 m 4,700
BAYOU CARENCRO Louisiana Fair 1956 11.9 m 4,700
CANAL Louisiana Good 2012 36.6 m 4,700
REDWOOD CREEK Louisiana Fair 1949 37.2 m 4,697
CREEK Louisiana Fair 1979 10.7 m 4,695
OFF RAMP/OVER ON RAMP Louisiana Fair 1963 112.8 m 4,695
DRY CREEK Louisiana Fair 1954 36.6 m 4,695
CREEK Louisiana Fair 1979 10.1 m 4,695
KCS RR & DR T DOOS RD Louisiana Fair 1971 108.5 m 4,686
ROSEAU BAYOU Louisiana Good 1965 30.5 m 4,686
BAYOU DES GLAISE Louisiana Fair 1965 55.8 m 4,686
BUXTON CREEK Louisiana Fair 1953 30.5 m 4,683
COULEE Louisiana Good 2004 45.7 m 4,675
DRAIN Louisiana Fair 1974 23.2 m 4,670
QUEUE DE TORTUE BAYOU Louisiana Fair 1952 88.4 m 4,668
LA 3132 Louisiana Fair 1978 101.8 m 4,660
BLACK BAYOU RESERVOIR Louisiana Good 2022 67.1 m 4,650
DRAIN Louisiana Fair 1968 11.9 m 4,643
CREEK Louisiana Good 2006 29.9 m 4,643
BAYOU Louisiana Good 2012 14.3 m 4,640
BAYOU Louisiana Good 2022 18.3 m 4,636
S FORK BLACK BAYOU Louisiana Poor 1954 36.6 m 4,633
BAYOU Louisiana Fair 1951 10.7 m 4,626
BEAVER BAYOU Louisiana Good 2019 30.5 m 4,616
LONG BRANCH BAYOU Louisiana Poor 1954 23.5 m 4,612
LONG BRANCH BAYOU Louisiana Fair 1954 17.7 m 4,612
CREEK Louisiana Good 1972 24.4 m 4,609
CREEK Louisiana Good 1972 18.3 m 4,609
CREEK Louisiana Good 1973 18.3 m 4,609
CREEK Louisiana Good 1973 18.3 m 4,609
SP R/R-CITY STS Louisiana Good 1991 313.0 m 4,606
HURSEY SLOUGH Louisiana Good 2023 85.3 m 4,600
WASH OUT SLOUGH Louisiana Good 2023 121.9 m 4,600
ASHWORTH SLOUGH Louisiana Good 2023 121.9 m 4,600
OLD RIVER SLOUGH Louisiana Fair 2022 207.3 m 4,600

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.