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
CREEK Louisiana Fair 1932 7.0 m 9,942
CREEK Louisiana Good 1932 7.0 m 9,942
DRAINAGE CREEK Louisiana Fair 1979 24.4 m 9,942
CROWS CREEK Louisiana Fair 1979 54.9 m 9,942
CREEK Louisiana Fair 1932 8.5 m 9,942
BAYOU LACOMBE Louisiana Fair 1938 97.5 m 9,941
BIG BRANCH Louisiana Fair 1932 36.9 m 9,941
CREEK Louisiana Good 1964 8.2 m 9,896
CREEK Louisiana Good 1964 8.2 m 9,896
BAYOU Louisiana Good 2008 29.9 m 9,883
LITTLE BAYOU Louisiana Fair 2017 48.8 m 9,883
CREEK Louisiana Fair 1960 8.2 m 9,877
DRAINAGE CANAL Louisiana Fair 1986 48.8 m 9,875
S. FORK OF BRUSHY BAYOU Louisiana Fair 1932 8.2 m 9,866
BRUSHY BAYOU Louisiana Fair 1932 10.4 m 9,866
I-10/RAMPS Louisiana Poor 1960 357.2 m 9,865
I-20 Louisiana Fair 1985 114.3 m 9,864
KCS RR MINDEN Louisiana Poor 1960 36.6 m 9,864
FLAT RIVER BAYOU Louisiana Good 2001 67.1 m 9,854
PONCHITOLAWA CR Louisiana Fair 1976 61.0 m 9,838
I-59 SB Louisiana Fair 1970 37.2 m 9,838
US 190 Louisiana Fair 1976 126.5 m 9,838
US 190 Louisiana Fair 1976 112.2 m 9,838
DRAINAGE Louisiana Fair 1970 9.1 m 9,838
I-12 Louisiana Fair 1968 67.7 m 9,837
CO CANAL LOCKPORT Louisiana Poor 1959 125.0 m 9,831
CLAY CUT BAYOU Louisiana Fair 1980 36.0 m 9,812
CLINE CANAL Louisiana Good 2015 61.0 m 9,810
DRAIN Louisiana Fair 1935 6.7 m 9,784
BLACK RIVER Louisiana Fair 1935 13.7 m 9,784
SABINE RIVER Louisiana Good 2017 272.8 m 9,752
MID COLYELL CR. Louisiana Fair 1932 25.9 m 9,745
LACOMBE BAYOU Louisiana Fair 1974 11.9 m 9,722
CANE BAYOU Louisiana Fair 1974 7.9 m 9,722
I-12 Louisiana Fair 1976 106.1 m 9,722
BATON ROUGE BAYOU Louisiana Poor 1961 37.2 m 9,721
Comite Diversion Canal Louisiana Good 2022 106.7 m 9,721
BAKER CANAL Louisiana Good 2016 50.3 m 9,721
DAWSON CREEK Louisiana Good 2003 32.9 m 9,706
BAYOU FATMA Louisiana Good 1990 23.2 m 9,700
SPRING ST/LA 1 Louisiana Fair 1965 246.0 m 9,690
DRAIN Louisiana Fair 1963 10.4 m 9,685
DRAIN Louisiana Fair 1963 12.5 m 9,685
West Prong Bogue Falaya Louisiana Fair 1963 54.9 m 9,685
HARVEY CANAL Louisiana Fair 1975 64.3 m 9,678
BAYOU FRANCOIS Louisiana Fair 1954 36.6 m 9,674
LA0010 Louisiana Poor 1989 150.9 m 9,668
ASH SLOUGH Louisiana Good 1987 24.4 m 9,661
CREEK Louisiana Fair 1987 30.5 m 9,661
ASH SLOUGH RELIEF Louisiana Good 1987 24.4 m 9,661

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.