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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
TENSAS-RIVER Louisiana Fair 1975 99.7 m 31,481
TENSAS-RIVER Louisiana Fair 1975 99.7 m 31,481
DRAIN Louisiana Fair 1975 9.4 m 31,481
DRAINAGE CANAL Louisiana Fair 1975 9.8 m 31,481
WALNUT BAYOU Louisiana Fair 1975 53.3 m 31,481
WALNUT BAYOU Louisiana Fair 1975 53.3 m 31,481
BAYOU MACON Louisiana Fair 1971 177.4 m 31,481
DRAINAGE Louisiana Fair 1971 24.4 m 31,481
BAYOU MACON Louisiana Fair 1971 177.4 m 31,481
JOES BAYOU LAKE Louisiana Fair 1971 146.9 m 31,481
MACK-BAYOU Louisiana Fair 1975 11.6 m 31,481
CREEK Louisiana Fair 1971 7.9 m 31,481
TENSAS-RIVER Louisiana Fair 1975 92.0 m 31,481
TENSAS-RIVER Louisiana Fair 1975 92.0 m 31,481
DRAINAGE-CANAL Louisiana Fair 1975 10.7 m 31,481
BAYOU DESPAIR Louisiana Fair 1975 152.4 m 31,481
BAYOU DESPAIR Louisiana Fair 1975 152.4 m 31,481
CANAL-M32 Louisiana Fair 1975 6.7 m 31,481
LAKE ONE BAYOU Louisiana Fair 1975 91.4 m 31,481
PANOLA BAYOU Louisiana Fair 1975 45.7 m 31,481
LAKE ONE BAYOU Louisiana Fair 1975 76.2 m 31,481
PANOLA BAYOU Louisiana Fair 1975 45.7 m 31,481
M. P. RR Louisiana Fair 1975 76.8 m 31,481
M. P. RR Louisiana Good 1975 76.8 m 31,481
OLD US 65; WALNUT BAYOU Louisiana Fair 1975 121.9 m 31,481
TENSAS-RIVER Louisiana Fair 1975 92.0 m 31,481
CHALMETTE VISTA Louisiana Good 2001 14.9 m 31,327
I-20 RAMP D FROM US165 S Louisiana Fair 1966 86.0 m 31,285
I-12 ENT RAMP Louisiana Good 1970 9.8 m 31,285
YOUNGS BAYOU Louisiana Poor 1965 42.7 m 31,285
I-12 EXIT RAMP Louisiana Good 1970 9.8 m 31,285
US 167 Louisiana Good 1994 88.4 m 31,285
HYNSON BAYOU Louisiana Good 1995 172.2 m 31,285
I-20 Louisiana Fair 1965 249.9 m 31,285
METAIRIE RELIEF CANAL Louisiana Fair 1939 40.8 m 31,223
LA0014 Louisiana Fair 1969 97.5 m 31,222
I-20 Louisiana Poor 1986 119.2 m 31,200
EMBANKMENT Louisiana Good 1993 29.6 m 31,187
BAYOU FOUNTAIN Louisiana Fair 1985 54.9 m 31,152
I-220 Louisiana Fair 1986 105.2 m 31,100
GOODWILL ROAD Louisiana Fair 2004 63.7 m 31,074
BOONE CREEK Louisiana Fair 1987 48.8 m 31,074
US 80 Louisiana Fair 1975 167.9 m 31,074
LA 48 AND LA 611-1 Louisiana Good 2013 1,434.4 m 30,800
BAYOU TERREBONNE Louisiana Fair 2006 47.2 m 30,800
LOUISIANA STREET Louisiana Fair 1975 50.3 m 30,773
I-110;MONTE SANO BAYOU Louisiana Fair 1976 208.2 m 30,750
TEXAS STREET Louisiana Fair 1976 41.5 m 30,723
LOUISIANA STREET Louisiana Fair 1975 50.3 m 30,723
KIRKMAN STREET Louisiana Fair 1975 44.5 m 30,723

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.