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
LA 44 Louisiana Fair 1979 87.2 m 25,735
DRAIN Louisiana Good 1975 7.3 m 25,735
DRAINAGE CANAL Louisiana Good 1979 9.4 m 25,735
CANAL Louisiana Good 1975 15.2 m 25,735
SMITH BAYOU Louisiana Fair 1975 36.6 m 25,735
DRAIN Louisiana Fair 1975 10.1 m 25,735
US0190 Louisiana Good 1981 103.6 m 25,609
E.Grolee St/UPRR Louisiana Good 1983 392.3 m 25,609
LA0093 Louisiana Good 1978 85.3 m 25,609
JUDSON WALSH ROAD Louisiana Good 1982 75.6 m 25,609
LA0031 Louisiana Good 1981 62.5 m 25,609
BAYOU CALLAHAN Louisiana Fair 1962 54.9 m 25,609
LA3233 Louisiana Fair 1982 79.2 m 25,609
OAKWOOD CANAL Louisiana Good 1992 7.0 m 25,594
VERRET CANAL Louisiana Good 1975 42.7 m 25,594
ALGIERS OUTFALL CANAL Louisiana Fair 1968 61.0 m 25,594
BAYOU BARRIERE Louisiana Fair 1968 27.4 m 25,594
Paved Ditch Louisiana Fair 1981 12.2 m 25,500
LA 121 Louisiana Fair 1989 68.3 m 25,477
ROAD RR LAKE CONVEYOR Louisiana Good 1982 374.9 m 25,477
BAYOU JEAN DE JEAN Louisiana Fair 1989 188.4 m 25,477
LA 1200 Louisiana Good 1989 64.9 m 25,477
DRAIN Louisiana Fair 1993 7.0 m 25,434
MCAIN CREEK TRIB Louisiana Fair 1993 11.6 m 25,434
US 80 Louisiana Fair 1975 167.9 m 25,379
BOONE CREEK Louisiana Fair 1961 48.8 m 25,379
CLARKE BAYOU Louisiana Fair 1975 55.2 m 25,379
US 79/80 Louisiana Fair 1975 171.3 m 25,379
DRAIN Louisiana Fair 1975 7.9 m 25,379
CLARKE BAYOU Louisiana Fair 1975 55.2 m 25,379
GOODWILL ROAD Louisiana Fair 2004 63.7 m 25,379
CANEY BRANCH Louisiana Good 1975 15.2 m 25,379
US 79/80 Louisiana Fair 1975 171.3 m 25,379
PORT ALLEN CANAL Louisiana Poor 1960 752.6 m 25,347
MO PACIFIC RR Louisiana Poor 1952 424.3 m 25,347
PONCHITOLAWA CR Louisiana Fair 1976 61.0 m 25,200
KENNER OPASS Louisiana Fair 1976 448.7 m 25,193
DAVIS POND DIVERSION Louisiana Good 2002 107.9 m 25,051
US 90 TURNAROUNDS Louisiana Good 2013 774.2 m 25,051
DRAIN CANAL Louisiana Fair 1940 17.4 m 25,051
SELLERS CANAL Louisiana Fair 1940 23.5 m 25,051
BONNET CARRE Louisiana Fair 1935 1,830.6 m 25,051
COTTON BAYOU Louisiana Fair 1991 79.2 m 25,033
RAPIDES STATION RD. Louisiana Good 1991 65.2 m 25,033
DRAIN Louisiana Good 1989 7.3 m 25,033
UP RR Louisiana Good 1991 494.7 m 25,033
KCS RR Louisiana Fair 1978 106.7 m 25,004
MACKS BAYOU Louisiana Fair 1978 38.1 m 25,004
MACKS BAYOU Louisiana Fair 1978 38.1 m 25,004
FLAT RIVER Louisiana Fair 1978 69.5 m 25,004

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.