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
CANAL NO 1 Louisiana Good 1989 29.0 m 14,025
CONTRABAND BAYOU Louisiana Fair 1990 42.7 m 14,015
CITY STS.US.90BN/B RMPS Louisiana Good 1996 1,705.7 m 14,010
CITY STREETS TRANSITRAM Louisiana Good 1995 367.6 m 14,010
KANSAS CITY SOUTHERN RR Louisiana Poor 1977 75.6 m 14,003
TWELVE MILE BAYOU Louisiana Poor 1968 174.3 m 14,003
CROSS BAYOU Louisiana Poor 1960 137.2 m 14,003
CANAL 2 Louisiana Good 1990 7.9 m 14,000
STEEP BAYOU Louisiana Good 2017 24.4 m 13,971
JACKS BAYOU Louisiana Good 1999 24.4 m 13,970
WHITE CREEK Louisiana Fair 1988 36.6 m 13,964
DRAIN CANAL Louisiana Poor 1965 16.5 m 13,934
CONWAY BAYOU Louisiana Fair 1974 38.1 m 13,914
BOYLE BAYOU Louisiana Good 1980 6.4 m 13,914
I-10 Louisiana Fair 1975 93.9 m 13,875
GRAND GOUDINE Louisiana Fair 1955 18.3 m 13,875
Thompson Cr Louisiana Good 2022 274.3 m 13,861
CREEK Louisiana Fair 2001 9.1 m 13,811
KCS & UNION PACIFIC RR Louisiana Fair 2001 253.9 m 13,811
CREEK Louisiana Fair 2003 6.7 m 13,811
LITTLE DUGDEMONA CREEK Louisiana Fair 1976 53.3 m 13,811
CREEK Louisiana Fair 1960 7.9 m 13,811
Coulee Louisiana Fair 1995 18.3 m 13,800
BEAVER CREEK Louisiana Good 1955 30.5 m 13,798
MISSISSIPPI RIVER Louisiana Fair 1989 917.4 m 13,743
MISSISSIPPI RIVER/IC RR Louisiana Fair 1993 715.4 m 13,743
GRAMERCY BRIDGE WEST BAN Louisiana Fair 1995 752.6 m 13,743
STREAM Louisiana Fair 1933 7.0 m 13,717
STREAM Louisiana Fair 1933 8.2 m 13,717
ON-RAMP TO SEABROOK BR. Louisiana Fair 1975 264.0 m 13,713
CITY STREET/RAILROAD Louisiana Good 1998 605.9 m 13,713
VIKING-DRIVE Louisiana Good 1978 39.3 m 13,700
ST.LOUIS-S.W.R.R. Louisiana Fair 1978 94.2 m 13,700
BENTON-ROAD/LA 3 Louisiana Fair 1978 85.0 m 13,700
US 71 Louisiana Fair 1979 93.0 m 13,700
I-220 W-N Louisiana Fair 1985 93.6 m 13,700
RUSSELL ROAD Louisiana Fair 1979 97.5 m 13,700
I-220 SBL JUNIOR PLACE Louisiana Fair 1985 51.5 m 13,700
CANAL Louisiana Fair 1968 7.6 m 13,695
DRAIN Louisiana Fair 1983 7.0 m 13,695
CANAL Louisiana Fair 1968 6.7 m 13,695
DRAIN Louisiana Fair 1955 11.6 m 13,695
MAPLE FORK Louisiana Fair 1932 11.9 m 13,695
I-10 Louisiana Fair 1963 114.0 m 13,667
STREAM Louisiana Fair 1933 7.0 m 13,660
BAYOU GROSSE TETE Louisiana Good 2012 86.9 m 13,660
M.P. RR @ LIVONIA Louisiana Fair 1984 463.0 m 13,660
LATANIS BAYOU Louisiana Good 1972 32.9 m 13,648
LITTLE BLACK BAYOU Louisiana Fair 2004 60.0 m 13,633
OUACHITA RIVER @ COLUMBI Louisiana Fair 2007 739.4 m 13,633

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.