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
KCS RR Louisiana Fair 1978 106.7 m 25,004
KCS RR Louisiana Good 1978 118.9 m 25,004
WARDS CREEK NB. Louisiana Fair 1959 7.3 m 24,979
JONES CREEK Louisiana Fair 1958 48.8 m 24,923
SUBURBAN CANAL Louisiana Poor 1968 17.4 m 24,900
DRAIN Louisiana Fair 1956 7.0 m 24,739
US 79 & 80 Louisiana Good 1979 88.1 m 24,701
DRAIN Louisiana Fair 1958 8.2 m 24,571
LIVELY BAYOU Louisiana Good 1958 30.5 m 24,571
CREEK Louisiana Good 1965 11.0 m 24,508
RAMP M Louisiana Good 1984 179.8 m 24,384
RAMP I Louisiana Good 1984 141.1 m 24,384
Soniat Canal Louisiana Good 2005 37.5 m 24,341
WARD CRK/BLUEBONNET BLVD Louisiana Fair 1978 61.6 m 24,300
WARD CREEK Louisiana Fair 1978 61.6 m 24,300
I-20 Louisiana Fair 1976 84.7 m 24,300
STREAM Louisiana Good 1966 8.8 m 24,210
PANAMA CANAL Louisiana Fair 1966 42.7 m 24,210
STREAM Louisiana Good 1966 6.7 m 24,210
STREAM Louisiana Good 1966 8.8 m 24,210
BAYOU FOUNTAIN Louisiana Fair 1989 48.8 m 24,194
DRAINAGE CANAL Louisiana Fair 1957 30.5 m 24,186
BAYOU DUPLANTIER Louisiana Good 2000 48.8 m 24,147
BAYOU CLEAR DIV. CANAL Louisiana Poor 1990 85.3 m 24,080
DITCH Louisiana Good 1990 8.5 m 24,080
GENE BALL DR. B. ROBERT Louisiana Fair 1990 118.9 m 24,080
COPENHAGEN SLOUGH Louisiana Fair 1990 30.5 m 24,080
BAYOU BOEUF RELIEF Louisiana Fair 1990 42.7 m 24,080
TURTLE BAYOU Louisiana Fair 1990 30.5 m 24,080
BAYOU BOEUF DIV. CANAL Louisiana Fair 1990 134.1 m 24,080
DES CANNES RELIEF Louisiana Fair 1992 122.5 m 24,065
BAYOU DES CANNES Louisiana Good 1961 122.5 m 24,065
VERMILION RIVER Louisiana Fair 1981 80.5 m 24,061
NEW RIVER Louisiana Good 1976 36.6 m 24,014
MUDDY CREEK Louisiana Good 2018 14.0 m 24,000
US 51 & SWAMP Louisiana Fair 1975 23,113.3 m 24,000
CANAL #3 Louisiana Good 1960 11.0 m 24,000
I-10 & US 51 & SWAMP Louisiana Good 1975 23,382.4 m 24,000
AMITE RIVER Louisiana Good 2010 883.9 m 23,971
CANE BAYOU Louisiana Good 1960 30.5 m 23,871
CREEK Louisiana Fair 1963 7.0 m 23,737
CONC BOX XING Louisiana Good 1942 12.2 m 23,719
CONC BOX XING Louisiana Good 1942 10.4 m 23,719
CONC BOX XING Louisiana Good 1942 8.5 m 23,719
CONC BOX XING Louisiana Good 1942 7.0 m 23,719
BONNET CARRE SPILLWAY Louisiana Fair 1984 1,830.6 m 23,719
CREEK Louisiana Good 1970 10.1 m 23,562
LITTLE NAT RIVER Louisiana Fair 1968 45.7 m 23,562
ATCHAFALAYA FLOODWAY Louisiana Good 1991 39.3 m 23,521
WEST ATCHAFALAYA FLDWAY Louisiana Fair 1991 39.3 m 23,521

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.