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
LA 523 Louisiana Fair 1995 65.8 m 23,520
US171 SPRR Louisiana Good 1978 194.8 m 23,520
LA 3132 WALKER ROAD Louisiana Good 1990 66.1 m 23,520
KCS RR Louisiana Fair 1977 118.0 m 23,520
LA 526 BERT KOUNS IND. L Louisiana Good 2007 199.9 m 23,520
LINWOOD AVE. Louisiana Good 1988 66.8 m 23,520
JEWELLA AVE Louisiana Fair 1991 66.1 m 23,520
T. & P. RR Louisiana Good 1984 103.6 m 23,520
BRUSH BAYOU Louisiana Fair 1979 54.9 m 23,520
LA 511 Louisiana Good 1994 67.4 m 23,520
BAYOU PIERRE Louisiana Fair 1977 70.7 m 23,520
CREEK Louisiana Fair 1932 8.2 m 23,512
BAYOU PIERRE Louisiana Fair 1963 53.3 m 23,509
BAYOU CARRON Louisiana Fair 1983 61.0 m 23,498
KENNISON BAYOU Louisiana Fair 1983 8.5 m 23,498
US 167 EXT. Louisiana Good 1983 347.5 m 23,498
CREEK Louisiana Good 1926 7.0 m 23,405
BAYOU BIENVENUE Louisiana Poor 1973 91.4 m 23,365
I C WATERWAY(GULF OUTLET Louisiana Fair 1967 2,018.4 m 23,365
CORPORATION CANAL Louisiana Fair 1950 10.1 m 23,240
UNIVERSITY LAKE SPILLWAY Louisiana Fair 1965 21.6 m 23,240
US 79 80 Louisiana Good 1979 88.1 m 23,106
RAMP I-220(5B)-I-20(EB) Louisiana Fair 1979 126.8 m 23,106
US71&KCSRR Louisiana Poor 1966 165.8 m 23,105
MACKS BAYOU Louisiana Fair 2007 47.2 m 23,105
NO PUBLIC BELT R/R Louisiana Poor 1960 15.8 m 23,049
SISTER STREET Louisiana Poor 1960 15.8 m 23,049
INDUSTRIAL CANAL Louisiana Poor 1950 41.8 m 23,049
STREAM NO NAME Louisiana Good 1952 8.2 m 22,996
BAYOU CLAUSE Louisiana Fair 2001 36.0 m 22,996
DRAINAGE CANAL Louisiana Fair 1959 7.0 m 22,996
TIGER BAYOU Louisiana Good 2005 36.6 m 22,996
DUBOIN CANAL Louisiana Fair 1969 13.4 m 22,993
PATTERSON CANAL Louisiana Good 1964 7.9 m 22,893
CONTRABAND BAYOU Louisiana Good 1978 9.8 m 22,878
DOLET SWAMP Louisiana Good 1989 365.8 m 22,806
BOIS DARC BAYOU Louisiana Good 1988 30.5 m 22,806
CITY STREET/RAILROAD Louisiana Fair 1991 481.6 m 22,680
CITY STREET/RAILROAD Louisiana Poor 1991 266.4 m 22,680
BAYOU Louisiana Fair 1977 30.5 m 22,663
COMITE RIVER Louisiana Fair 1961 92.0 m 22,627
STREAM Louisiana Good 1976 8.2 m 22,615
N B WARDS CREEK Louisiana Good 1956 42.7 m 22,611
WARD CREEK Louisiana Fair 1960 10.1 m 22,611
17TH ST. CANAL Louisiana Fair 2005 61.0 m 22,600
PANAMA CANAL Louisiana Fair 1950 22.6 m 22,576
TWELVE MILE BAYOU Louisiana Fair 1990 148.7 m 22,553
BAYOU BARATARIA Louisiana Fair 1971 85.3 m 22,518
DRAIN CANAL Louisiana Fair 1997 64.3 m 22,518
DAWSON CR.BRG.(ACADIAN) Louisiana Fair 1964 30.5 m 22,447

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.