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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
CANAL NO. 3 Louisiana Fair 1966 18.3 m 15,876
LA00668 Louisiana Fair 2003 576.1 m 15,875
SOUTH CANAL Louisiana Fair 1988 73.2 m 15,812
CREEK Louisiana Fair 1967 13.1 m 15,742
CREEK Louisiana Fair 1962 7.9 m 15,737
BAYOU DESIARD Louisiana Fair 1995 134.1 m 15,737
MINE COULEE Louisiana Good 1968 40.5 m 15,700
ROBERTS CANAL Louisiana Good 2018 24.4 m 15,670
US 71 UP RR RAMP A-1 Louisiana Good 1992 467.0 m 15,642
I-55 ON RAMP NORTH @ US5 Louisiana Good 1975 169.2 m 15,642
GROUND Louisiana Good 1995 106.7 m 15,642
I-20 EB & WB Louisiana Fair 1985 190.5 m 15,642
I-55 Louisiana Good 1970 131.7 m 15,642
E.Grolee St/MPRR Louisiana Good 1983 250.5 m 15,642
BARKSDALE BLVD ON RAMP Louisiana Fair 1966 88.1 m 15,642
RAMP E1A CITY STS. Louisiana Good 1992 130.8 m 15,642
I-49 US71 RAMPS PHILLIP Louisiana Good 1996 769.6 m 15,642
RAMP RR CITY STS BAYO Louisiana Fair 1995 727.9 m 15,642
CITY STREETS Louisiana Good 1995 795.2 m 15,642
HYNSON BAYOU Louisiana Good 1990 30.5 m 15,642
I20;RAMP 4 Louisiana Fair 1965 90.8 m 15,642
MACKS BAYOU Louisiana Poor 1967 66.4 m 15,642
BLACK BAYOU Louisiana Fair 1965 48.8 m 15,642
I20;RAMP N5 Louisiana Fair 1965 104.9 m 15,642
1-20 US 71 KCS RR Louisiana Fair 1966 361.8 m 15,642
CITY STREETS UP RR Louisiana Fair 1992 376.4 m 15,642
RAILROAD AVE. UP RR Louisiana Good 1995 741.9 m 15,642
GROUND Louisiana Good 1994 160.9 m 15,642
E. Grolee St Louisiana Good 1983 118.3 m 15,642
I20;RAMP 1 Louisiana Fair 1965 43.3 m 15,642
I20;RAMP S2 Louisiana Fair 1965 208.8 m 15,642
I20;RAMP N1 Louisiana Fair 1965 272.5 m 15,642
US165 NB RAMP FROM I20 W Louisiana Fair 1966 118.0 m 15,642
US 165 Louisiana Fair 1965 49.7 m 15,642
I20;RAMP S5 Louisiana Fair 1965 143.3 m 15,642
UP RR Louisiana Good 1994 119.5 m 15,642
GROUND Louisiana Good 1993 88.1 m 15,642
EB ON RAMP (US51) Louisiana Fair 1972 169.2 m 15,642
RAMPS US 71 DITCH RR Louisiana Good 1992 545.0 m 15,642
Phillip Bayou Louisiana Good 1991 9.4 m 15,642
I20;RAMP N2 Louisiana Fair 1965 85.0 m 15,642
RAMP I-20(EB)-I-220(NB) Louisiana Good 1979 542.8 m 15,642
I20;RAMP S3 Louisiana Fair 1965 120.4 m 15,642
DRAINAGE DITCH Louisiana Good 1992 212.1 m 15,642
I20;RAMP S1 Louisiana Fair 1965 157.6 m 15,642
YOUNGS BAYOU Louisiana Fair 1965 42.7 m 15,642
I-20;RAMP N4 Louisiana Good 1965 94.5 m 15,642
US 167 RAMPS CITY STR. Louisiana Fair 1995 401.1 m 15,642
RAMP E-3 ELLIOT ST. Louisiana Good 1995 104.9 m 15,642
I49 US167 RAMPS STR. Louisiana Fair 1994 674.5 m 15,642

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.