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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.

Clear
BridgeLocationConditionYear BuiltLengthADT
DRAIN CANAL Louisiana Fair 1984 9.1 m 40,204
S.P. R.R. & LA-631 Louisiana Good 1986 467.6 m 40,204
BROAD STREET Louisiana Fair 1977 54.6 m 39,934
US 90 Louisiana Fair 1977 77.1 m 39,934
UPRR Louisiana Fair 1977 83.2 m 39,934
OPELOUSAS STREET Louisiana Fair 1977 60.0 m 39,934
DRAIN Louisiana Good 1960 8.2 m 39,850
MIDDLE SLOUGH Louisiana Good 2005 31.1 m 39,850
PASS MANCHAC Louisiana Fair 1977 930.2 m 39,850
PONCHATOULA CR. Louisiana Good 1960 73.8 m 39,850
ELEVATED RDWY Louisiana Fair 1979 12,839.7 m 39,850
SOUTH SLOUGH Louisiana Good 2005 36.6 m 39,850
WEINER CREEK Louisiana Fair 1968 31.1 m 39,727
BNSF/Walker Rd Louisiana Fair 1983 207.9 m 39,201
Intercoastal Waterway Louisiana Good 2024 1,036.9 m 39,114
CLAY CUT BAYOU Louisiana Fair 1984 42.7 m 38,982
BIG CREEK Louisiana Fair 1971 92.0 m 38,890
LA 17 Louisiana Fair 1970 67.1 m 38,890
COW BAYOU Louisiana Fair 1969 7.9 m 38,890
CYPRESS CREEK Louisiana Fair 1969 45.7 m 38,890
DRAINAGE Louisiana Fair 1971 9.8 m 38,890
DIVERSION CANAL Louisiana Fair 1968 45.7 m 38,890
BAYOU CREW Louisiana Fair 1968 30.5 m 38,890
ASH SLOUGH Louisiana Fair 1970 11.6 m 38,890
LITTLE CREEK Louisiana Fair 1971 45.7 m 38,890
OLD B LAFOURCHE Louisiana Fair 1968 45.7 m 38,890
BURNS BAYOU Louisiana Fair 1969 10.1 m 38,890
DRAIN Louisiana Fair 1969 12.2 m 38,890
BEE BAYOU Louisiana Fair 1969 45.7 m 38,890
TURKEY CREEK Louisiana Fair 1970 38.1 m 38,890
BOEUF RIVER Louisiana Fair 1968 92.0 m 38,890
US 425 Louisiana Fair 1968 97.8 m 38,890
HURRICANE BAYOU Louisiana Fair 1969 11.3 m 38,890
DRAIN Louisiana Fair 1968 7.9 m 38,890
DRAIN Louisiana Fair 1968 10.4 m 38,890
BAYOU LAFOURCHE Louisiana Fair 1968 165.2 m 38,890
DORCHEAT BAYOU REL Louisiana Good 1960 73.2 m 38,625
US371 @ DIXIE INN Louisiana Fair 1960 57.9 m 38,625
DORCHEAT BAYOU REL Louisiana Fair 1960 73.2 m 38,625
DORCHEAT BAYOU Louisiana Fair 1960 182.9 m 38,625
Pont Des Mouton Louisiana Good 1981 71.6 m 38,572
DRAINAGE CANAL Louisiana Fair 1962 6.7 m 38,400
STS. R/R Louisiana Good 1982 668.4 m 37,914
I-20 Louisiana Fair 2008 79.2 m 37,600
BRUSHY CREEK Louisiana Fair 1960 9.1 m 37,514
DRAIN Louisiana Fair 1964 53.3 m 37,514
CHOUDRANT CREEK Louisiana Fair 1960 103.6 m 37,514
BLACK LAKE BAYOU Louisiana Fair 1960 61.0 m 37,514
CROWS CR RELIEF Louisiana Fair 1960 48.8 m 37,514
MID. REL CHOUDRANT CREEK Louisiana Fair 1960 73.2 m 37,514

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.