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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.

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BridgeLocationConditionYear BuiltLengthADT
CITY STREETS Louisiana Fair 1956 1,053.1 m 49,920
DRAIN CANAL Louisiana Fair 1953 23.8 m 49,920
DRAIN CANAL Louisiana Good 1953 23.8 m 49,920
US 90 BUS @ AVONDALE Louisiana Fair 1941 429.5 m 49,920
CITY STREETS Louisiana Fair 1960 1,053.1 m 49,920
DAVIS POND DIVERSION Louisiana Good 2002 107.9 m 49,920
DRAIN DITCH Louisiana Good 1999 14.0 m 49,920
SELLERS CANAL Louisiana Fair 1953 23.8 m 49,920
DRAIN CANAL Louisiana Good 1960 6.1 m 49,920
LONDON AVE CANAL Louisiana Good 1960 20.7 m 49,920
DRAIN CANAL Louisiana Fair 1953 18.0 m 49,920
US 90 TURNAROUNDS Louisiana Good 2013 774.2 m 49,920
DAWSON CREEK Louisiana Fair 1968 31.1 m 49,656
I-610 & I-10 Louisiana Poor 1963 696.5 m 49,634
US 61 & KCS RR Louisiana Fair 1975 545.9 m 49,274
CANAL Louisiana Good 1969 8.8 m 49,274
BLIND RIVER Louisiana Fair 1975 550.2 m 49,274
BAYOU CONWAY Louisiana Fair 1969 42.7 m 49,274
PANAMA CANAL Louisiana Fair 1975 53.3 m 49,274
BONNET CARRE SPILLWAY Louisiana Fair 1972 15,475.3 m 48,723
US 51 & SWAMPS Louisiana Fair 1972 3,582.3 m 48,723
CITY STREET/RAILROAD Louisiana Good 1998 381.3 m 48,620
CITY STREET Louisiana Good 1998 657.8 m 48,620
BAYOU JONAS Louisiana Fair 1961 61.0 m 48,502
Plant Rd Louisiana Fair 1961 86.0 m 48,502
Bayou Manchac Louisiana Good 2021 91.4 m 48,026
SOUTHERN RR Louisiana Fair 1950 369.4 m 47,747
N O P B RR (ROBERTSON ST Louisiana Fair 1962 404.5 m 47,739
DRAIN CANAL Louisiana Fair 1967 8.5 m 47,739
CHALMETTE VISTA Louisiana Good 2001 14.9 m 47,739
INDUSTRIAL CANAL Louisiana Fair 1957 85.3 m 47,739
INNER HARBOR NAV CANAL Louisiana Poor 1957 467.9 m 47,739
INDUSTRIAL CANAL Louisiana Fair 1957 185.9 m 47,739
RR CANAL Louisiana Poor 1991 8.5 m 47,739
EICKES CANAL Louisiana Good 2001 7.9 m 47,739
GUERENGER CANAL Louisiana Good 2001 14.9 m 47,739
LAKE BORGNE CANAL Louisiana Good 1981 737.6 m 47,739
CITY STREETS Louisiana Fair 1960 162.5 m 47,738
RAMP A Louisiana Good 1989 304.5 m 47,738
FRANCE RD/N.O. BELT R/R Louisiana Good 1989 224.3 m 47,738
KCS RR Louisiana Poor 1960 207.9 m 47,738
PIPELINE Louisiana Good 1991 51.8 m 47,396
M. P. RR Louisiana Fair 1979 579.1 m 47,396
RAMP"C" FROM I 310 SB Louisiana Good 1979 393.2 m 47,396
MISSISSIPPI RIVER Louisiana Fair 1983 836.7 m 47,396
ICG.RR RAMP E F &H LA4 Louisiana Fair 1983 1,568.2 m 47,396
CITY STREETS Louisiana Fair 1969 5,561.4 m 47,100
ON RAMP Louisiana Good 1989 109.7 m 46,928
COULEE Louisiana Good 2009 8.5 m 46,837
VERMILION RIVER Louisiana Fair 1986 123.4 m 46,837

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.