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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.

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BridgeLocationConditionYear BuiltLengthADT
DRAIN Louisiana Fair 1975 7.3 m 60,802
LA 30 Louisiana Fair 1975 93.6 m 60,802
LA429/Cornerview Rd Louisiana Fair 1975 90.5 m 60,802
BOYLE BAYOU Louisiana Fair 1979 11.3 m 60,802
LA 73 Louisiana Fair 1975 88.1 m 60,802
DRAIN Louisiana Good 1975 9.8 m 60,802
DRAIN Louisiana Fair 1975 10.1 m 60,802
COMMON STREET Louisiana Fair 1975 44.5 m 60,585
LA 526 INT Louisiana Fair 1991 100.9 m 60,171
DRAIN Louisiana Fair 1989 6.7 m 60,171
UP Railroad Louisiana Fair 1972 617.5 m 60,154
BLACK BAYOU (FRONTAGE RD Louisiana Fair 1986 54.9 m 60,145
I-10 Louisiana Good 1970 71.3 m 60,066
HARVEY CANAL Louisiana Fair 1972 810.8 m 60,000
LA 3194 Louisiana Good 2016 140.8 m 59,221
MCCAIN CREEK TRIB. Louisiana Fair 2016 7.6 m 59,221
I-220 Louisiana Good 2018 935.7 m 59,221
MACKS BAYOU LA 782-2 Louisiana Fair 1967 141.7 m 59,076
FLAT RIVER Louisiana Fair 1973 41.1 m 59,076
FLAT RIVER Louisiana Fair 1973 41.1 m 59,076
LA 3105/AIRLINE DR. Louisiana Fair 1967 63.1 m 59,076
LA 72 Louisiana Fair 1967 43.3 m 59,076
AKDNRR & FRANKEL FARM RD Louisiana Fair 1961 86.0 m 58,865
DRAIN Louisiana Fair 1959 11.0 m 58,865
BAYOU PLAQUEMINE Louisiana Fair 1961 168.2 m 58,865
UP Railroad Louisiana Fair 1972 617.5 m 58,734
TRINITY DRAINAGE CANAL Louisiana Fair 1971 42.7 m 58,734
LA 77 LA 411 BAYOU Louisiana Fair 1972 435.9 m 58,734
BRIDGE 250 EBL Louisiana Good 1974 44.8 m 58,734
US 51 BUS Louisiana Fair 1975 62.2 m 58,377
YELLOW WATER RIVER REL. Louisiana Good 1970 53.3 m 58,377
I-55 Louisiana Fair 1970 94.5 m 58,377
PONCHATOULA CREEK Louisiana Fair 1975 79.2 m 58,377
DRAINAGE Louisiana Fair 1970 13.4 m 58,377
ICG RAILROAD Louisiana Fair 1975 66.4 m 58,377
LA 3158 (Airport Rd) Louisiana Fair 1975 64.9 m 58,377
PRIEN LAKE Louisiana Fair 1964 2,590.8 m 58,320
SP & KCS RR Louisiana Fair 1969 234.7 m 58,320
COVE LANE Louisiana Good 2015 39.6 m 58,320
DRAIN Louisiana Fair 1964 8.2 m 57,504
DRAINAGE CANAL Louisiana Good 1979 8.2 m 57,444
HACKETT CANAL Louisiana Fair 1979 11.9 m 57,444
DRAINAGE CANAL Louisiana Good 1979 9.4 m 57,444
LA 22 Louisiana Fair 1979 79.2 m 57,444
LA 44 Louisiana Fair 1979 87.2 m 57,444
BAYOU CONWAY Louisiana Fair 1979 36.6 m 57,444
SWAMP Louisiana Good 1992 672.4 m 56,783
FRANCOIS COULEE Louisiana Fair 1970 43.3 m 56,748
LOUISIANA AVENUE Louisiana Good 2003 416.1 m 56,748
VERMILION RIVER Louisiana Fair 1970 116.4 m 56,748

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.