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
CURRENT SLOUGH Louisiana Fair 2022 195.1 m 4,600
OLD RIVER SLOUGH Louisiana Fair 2022 207.3 m 4,600
ASHWORTH SLOUGH Louisiana Good 2023 121.9 m 4,600
DITCH Louisiana Good 1989 7.6 m 4,598
BLACK BAYOU Louisiana Poor 1967 58.8 m 4,595
CYPRESS BAYOU Louisiana Fair 1973 96.9 m 4,595
LITTLE CANEY BAYOU Louisiana Fair 1978 17.7 m 4,595
GUY BAYOU Louisiana Fair 1992 17.4 m 4,593
CREEK Louisiana Good 1995 10.4 m 4,592
LITTLE TURKEY CREEK Louisiana Good 1994 24.4 m 4,592
TENSAS RIVER @ CLAYTON Louisiana Poor 1971 176.5 m 4,592
CREEK Louisiana Good 2002 29.0 m 4,592
STOKES BAYOU Louisiana Good 2007 18.3 m 4,592
DEER CREEK Louisiana Good 1999 91.4 m 4,592
ISAAC VEROT COULEE Louisiana Good 2015 15.2 m 4,590
BUBBLING BAYOU Louisiana Good 1995 24.4 m 4,583
PHILLIPS CANAL Louisiana Good 1994 30.5 m 4,583
ICWW - ELLENDERS Louisiana Fair 1977 885.1 m 4,583
BAYOU TERREBONNE Louisiana Good 1990 8.2 m 4,583
EDEN ISLES CANAL Louisiana Fair 1974 20.4 m 4,576
BAYOU FUSELIER Louisiana Fair 1961 48.8 m 4,574
ROMERO CANAL Louisiana Good 2004 24.4 m 4,573
Drainage Bayou Louisiana Good 2019 24.4 m 4,570
MUNDY BAYOU Louisiana Good 1986 30.5 m 4,563
PORTAGE CANAL #1 Louisiana Good 2009 42.7 m 4,563
CHALMETTE VISTA CANAL Louisiana Poor 1960 12.2 m 4,562
BAYOU VINCENT BRIDGE Louisiana Fair 1986 17.4 m 4,561
CREEK Louisiana Good 2010 21.9 m 4,559
UP RR & LA 1230 Louisiana Fair 2009 572.4 m 4,538
LITTLE RIVER Louisiana Good 2008 201.2 m 4,538
COCKERHAM CREEK Louisiana Good 2008 100.6 m 4,538
LITTLE RIVER RELIEF Louisiana Fair 2008 160.9 m 4,538
CREEK Louisiana Good 2009 71.9 m 4,538
CREEK Louisiana Fair 1956 10.4 m 4,538
CANAL Louisiana Fair 1973 23.5 m 4,534
COLVIN CREEK Louisiana Fair 2017 19.2 m 4,527
FR. RD KCS RR UP RR Louisiana Good 2011 205.7 m 4,516
BAXTER BAYOU Louisiana Good 2003 42.1 m 4,507
CREEK Louisiana Fair 1970 23.2 m 4,504
BAYOU ZOURIE BRANCH Louisiana Fair 1978 61.0 m 4,500
BAYOU ZOURIE BRANCH Louisiana Fair 1978 24.4 m 4,500
I-10 Louisiana Fair 1965 70.1 m 4,500
DEER CREEK Louisiana Good 1999 91.4 m 4,500
I-10 Louisiana Fair 1965 70.1 m 4,500
KCS RAILROAD Louisiana Fair 1978 48.9 m 4,500
CREEK Louisiana Fair 2009 30.5 m 4,494
BAYOU NA BONCHASSE RELIE Louisiana Good 2000 7.6 m 4,494
BAYOU SARA (BACKWATER) Louisiana Fair 1980 43.3 m 4,492
BIG BAYOU SARA Louisiana Fair 1949 218.8 m 4,492
CREEK Louisiana Fair 1940 7.0 m 4,492

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.