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
US 167 Louisiana Fair 1969 78.3 m 10,569
JONES CREEK Louisiana Poor 1960 35.4 m 10,543
BAYOU DARBONNE Louisiana Fair 1963 293.2 m 10,540
Bayou Fountain Louisiana Good 2022 17.4 m 10,503
DUNCAN CANAL Louisiana Good 1977 6.7 m 10,500
DRAINAGE CANAL Louisiana Fair 1948 7.9 m 10,492
LITTLE TECHE BAYOU Louisiana Poor 1962 37.2 m 10,487
BAYOU Louisiana Fair 1973 11.9 m 10,434
COMITE RIVER Louisiana Good 2011 693.1 m 10,400
DRAIN Louisiana Good 2011 117.0 m 10,400
BEAVER BAYOU Louisiana Good 2011 85.3 m 10,400
ILLINOIS CENTRAL RR. Louisiana Good 2011 447.1 m 10,400
BEAVER BAYOU Louisiana Good 2011 114.3 m 10,400
BEAVER BAYOU Louisiana Fair 2011 627.0 m 10,400
DRAIN CANAL Louisiana Fair 1995 8.2 m 10,390
LA 115 Louisiana Good 1987 135.3 m 10,352
ACADIANA RAILWAY Louisiana Fair 1986 210.0 m 10,352
LA 106 Louisiana Good 1986 67.4 m 10,352
B.PLAQUEMINE Louisiana Fair 1979 444.4 m 10,350
BAYOU TERREBONNE Louisiana Good 2019 9.1 m 10,321
DRAIN CANAL Louisiana Fair 2010 40.8 m 10,321
ST LOUIS CANAL Louisiana Good 1958 24.4 m 10,321
PORTAGE CANAL Louisiana Fair 1970 30.5 m 10,317
CROSS BAYOU Louisiana Fair 1960 162.2 m 10,312
PORT DELUCE CREEK Louisiana Fair 1991 42.7 m 10,307
PORT DELUCE CREEK RELIEF Louisiana Fair 1991 36.6 m 10,307
I-49 Louisiana Good 2010 121.9 m 10,300
HORSESHOE CANAL Louisiana Fair 1992 30.5 m 10,300
DUMPLIN CREEK Louisiana Good 2000 24.4 m 10,296
BUXTON CREEK Louisiana Fair 1956 20.4 m 10,277
I0049 Louisiana Good 2011 189.0 m 10,262
I-49 Louisiana Good 2013 125.0 m 10,262
ST. LOUIS CANAL Louisiana Fair 1995 8.8 m 10,255
PHILLIPS CREEK Louisiana Fair 1985 42.7 m 10,204
HARPOON BAYOU RELIEF Louisiana Fair 1985 60.7 m 10,204
HARPOON BAYOU Louisiana Fair 1985 42.7 m 10,204
RELIEF BRIDGE US 61 Louisiana Fair 1987 85.3 m 10,202
BAYOU Louisiana Good 2011 42.7 m 10,202
E FORK GRANTS BAYOU Louisiana Good 2011 48.8 m 10,202
GRANT BAYOU Louisiana Good 2011 53.6 m 10,202
AMITE RIVER Louisiana Good 2009 883.9 m 10,200
CREEK Louisiana Fair 1933 11.0 m 10,183
South Tupawek Bayou Louisiana Fair 2019 11.0 m 10,181
BAYOU CHOUPIQUE Louisiana Poor 1978 36.6 m 10,148
LINE AVE Louisiana Fair 1960 116.1 m 10,120
LA 329 & LDRR Louisiana Good 1969 426.7 m 10,090
RODERE CANAL Louisiana Fair 1969 30.5 m 10,090
LEWIS STREET Louisiana Fair 2000 442.6 m 10,090
LA0083 Louisiana Good 2004 571.8 m 10,090
Darnell Rd Louisiana Good 2002 574.9 m 10,090

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.