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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
US 84 Louisiana Fair 1985 107.3 m 29,022
RED BLUFF RD Louisiana Fair 1986 50.3 m 29,022
RAMBIN BAYOU Louisiana Fair 1986 79.2 m 29,022
LA 175 Louisiana Good 1986 105.5 m 29,022
WALLACE BAYOU Louisiana Fair 1988 30.5 m 29,022
RED R. C.FANT PKWY AR TE Louisiana Poor 1968 860.5 m 28,999
US190B/LA21/Bouge Falaya Louisiana Poor 1958 344.4 m 28,900
LA 18 AND 541 Louisiana Good 2013 1,573.4 m 28,780
LA 48 AND 611-1 Louisiana Good 2013 1,422.2 m 28,780
DRAIN CANAL Louisiana Good 1940 23.8 m 28,780
DRAIN CANAL Louisiana Fair 1940 23.8 m 28,780
KENNER OPASS RR Louisiana Fair 1976 448.7 m 28,780
16 TH STREET CANAL Louisiana Good 1973 7.6 m 28,780
I 10 Louisiana Fair 1967 427.3 m 28,780
METAIRIE RELIEF CANAL Louisiana Good 2018 12.8 m 28,615
METAIRIE RELIEF CANAL Louisiana Fair 1939 40.8 m 28,615
SOUTHERN R R Louisiana Fair 1950 369.4 m 28,615
LA 35 Louisiana Fair 1966 61.6 m 28,557
LA 35 Louisiana Fair 1966 61.6 m 28,557
I 10 Louisiana Fair 1969 432.5 m 28,550
I-10 Louisiana Poor 1969 420.3 m 28,550
I-10 Louisiana Poor 1969 450.8 m 28,550
DUNCAN CANAL Louisiana Good 2020 26.2 m 28,547
SPRR & LA 20 Louisiana Fair 1970 662.0 m 28,505
WEYRAUCH CANAL Louisiana Good 1992 6.4 m 28,481
I-20 Louisiana Fair 1965 92.0 m 28,450
EAST BEDICO CREEK Louisiana Fair 1975 42.7 m 28,450
CYPRESS BAYOU BRIDGE Louisiana Fair 1975 45.7 m 28,276
CYPRESS BAYOU BRIDGE Louisiana Fair 1975 45.7 m 28,276
INDUSTRY CANAL Louisiana Fair 1975 30.5 m 28,244
ALGIERS CANAL Louisiana Good 2012 15.8 m 28,244
I-49 CANEY BAYOU Louisiana Fair 1986 79.2 m 28,142
ST. VINCENT AVENUE Louisiana Fair 1994 31.1 m 28,142
LA 175 Louisiana Fair 1986 105.5 m 28,142
KCS RR SPUR Louisiana Fair 1987 109.7 m 28,142
EMMANUEL ROAD Louisiana Fair 1985 46.9 m 28,142
RED BLUFF RD Louisiana Fair 1986 50.3 m 28,142
WALLACE BAYOU Louisiana Fair 1988 30.5 m 28,142
KISATCHIE BAYOU Louisiana Fair 1988 286.5 m 28,142
CITY STS/KCS RR Louisiana Fair 1991 1,214.9 m 28,142
LA 493 Louisiana Good 1986 62.8 m 28,142
US 84 Louisiana Fair 1986 107.3 m 28,142
RAMBIN BAYOU Louisiana Fair 1986 79.2 m 28,142
CYPRESS SLOUGH Louisiana Fair 1989 46.0 m 28,142
ROIS DARC BAYOU Louisiana Fair 1988 30.5 m 28,142
CHEMARD BAYOU Louisiana Fair 1987 79.2 m 28,142
FRIERSON RD INTG Louisiana Good 1988 64.6 m 28,142
DOLET BAYOU Louisiana Good 1988 91.4 m 28,142
SYLVEST CREEK Louisiana Fair 1986 48.8 m 28,142
LA 6 Louisiana Good 1987 61.0 m 28,142

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.