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
TEXAS STREET Louisiana Fair 1976 41.5 m 30,723
ARMENCO CANAL Louisiana Fair 1965 30.5 m 30,572
WEST NAP.CANAL NUMBER 4 Louisiana Good 1980 7.9 m 30,300
CANAL NO 3 Louisiana Good 1973 8.2 m 30,300
KIRKMAN STREET Louisiana Fair 1975 44.5 m 30,293
DRAINAGE CANAL Louisiana Fair 1975 38.1 m 30,064
I 10 Louisiana Fair 1966 396.2 m 30,030
I 10 Louisiana Fair 1966 396.2 m 30,030
VERRET CANAL Louisiana Fair 1976 46.3 m 30,000
VERRET CANAL Louisiana Fair 1976 46.3 m 30,000
WEYRAUCH CANAL Louisiana Good 1976 17.4 m 30,000
COULEE Louisiana Fair 1984 8.5 m 29,990
DRAINAGE CANAL BRIDGE Louisiana Fair 1975 38.1 m 29,961
ICG & KCS RR Louisiana Fair 1976 548.6 m 29,942
DRAIN Louisiana Good 1956 8.2 m 29,942
US 71 Louisiana Good 1981 82.3 m 29,768
UP & LAS RR Louisiana Fair 1970 139.3 m 29,768
US 165 Louisiana Fair 1970 81.1 m 29,768
US 71 FRONTAGE ROAD LA Louisiana Good 1996 144.8 m 29,767
LA 1 Louisiana Good 1994 119.5 m 29,767
BAYOU MOUCHOIR Louisiana Fair 1963 24.4 m 29,759
US 165-B & MP RR @ RILLA Louisiana Good 1984 152.7 m 29,759
BAYOU MOUCHOIR Louisiana Fair 1963 24.4 m 29,759
PINE BAYOU Louisiana Fair 1963 24.4 m 29,759
YOUNGS BAYOU Louisiana Poor 1966 36.6 m 29,759
LA 594&ICRR Louisiana Fair 1966 234.7 m 29,759
MPRR US 165 Louisiana Fair 1966 82.9 m 29,759
US 80 Louisiana Fair 1980 71.6 m 29,759
BAYOU DESIARD Louisiana Fair 1976 198.7 m 29,759
CANAL Louisiana Fair 1975 18.9 m 29,759
SEGURA BRANCH Louisiana Fair 1965 30.5 m 29,549
LA 675 Louisiana Good 2009 555.3 m 29,549
CREEK Louisiana Fair 1965 7.9 m 29,549
LA 169 Louisiana Good 2013 85.3 m 29,542
SWIFT BAYOU Louisiana Good 2013 30.5 m 29,542
MYRICKS BAYOU Louisiana Good 2013 30.5 m 29,542
SWIFT BAYOU CANAL Louisiana Good 2013 11.3 m 29,542
SELF ROAD Louisiana Good 2013 64.0 m 29,542
DOOLEY BAYOU Louisiana Good 2013 36.6 m 29,542
LA 173 Louisiana Good 2013 307.8 m 29,542
COTTONWOOD BAYOU Louisiana Good 2013 7.9 m 29,542
DRAIN Louisiana Good 2013 9.8 m 29,542
BLIND RIVER Louisiana Fair 1975 550.2 m 29,510
GROUND Louisiana Good 1992 969.3 m 29,468
80 ARPENT CANAL Louisiana Good 1986 38.1 m 29,468
RAMP"C"FROM I 310 SB Louisiana Fair 1979 393.2 m 29,468
S.P. RR. & LA 631 Louisiana Good 1986 240.5 m 29,468
S.P. R.R. & LA 631 Louisiana Fair 1986 402.0 m 29,468
I 310 N FROM US 90 Louisiana Good 1986 278.9 m 29,468
PIPELINE Louisiana Good 1992 51.8 m 29,468

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.