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
SWAMP Louisiana Fair 1971 85.3 m 3,126
SABINE RIVER Louisiana Fair 1981 204.2 m 3,126
BAYOU Louisiana Fair 1971 30.5 m 3,126
PATOUT CANAL Louisiana Poor 1945 12.2 m 3,125
DELAHOUSSAYE CANAL Louisiana Fair 1969 17.4 m 3,125
FLAT RIVER Louisiana Fair 1978 58.5 m 3,124
CROSS BAYOU Louisiana Good 2008 30.5 m 3,124
RED CHUTE BAYOU Louisiana Poor 1980 64.0 m 3,124
RED BRANCH Louisiana Fair 1979 17.4 m 3,124
TANGIPAHOA RIVER E RELIE Louisiana Good 1975 27.4 m 3,120
TANGIPAHOA RIVER Louisiana Fair 1974 137.8 m 3,120
TANG. R. W.RELIEF Louisiana Good 1975 69.2 m 3,120
TERRYS CREEK Louisiana Good 1974 96.6 m 3,120
SLOUGH Louisiana Good 1974 41.1 m 3,120
LTI CREEK Louisiana Fair 2015 13.7 m 3,111
DRAIN - C-6 Louisiana Fair 1990 14.6 m 3,100
I-49 Louisiana Good 1971 86.6 m 3,100
SOUTH TUPAWEK CREEK Louisiana Fair 2011 9.8 m 3,100
BAYOU SCIE Louisiana Good 1990 85.3 m 3,097
COWARDS GULLY Louisiana Fair 1956 61.0 m 3,097
BAYOU SCIE RELIEF Louisiana Good 1990 54.9 m 3,097
CANAL Louisiana Fair 1956 6.7 m 3,097
BEAR HEAD CREEK Louisiana Fair 1956 164.6 m 3,097
DRAINAGE CANAL Louisiana Good 2019 18.3 m 3,094
DRAINAGE CANAL Louisiana Good 2007 30.2 m 3,094
BAYOU PLAQUEMINE Louisiana Good 2005 81.1 m 3,094
DRAIN NO NAME Louisiana Good 1955 8.2 m 3,092
LITTLE SANDY CREEK Louisiana Poor 1955 46.6 m 3,092
SANDY CREEK Louisiana Poor 1979 23.2 m 3,092
SANDY CREEK RELIEF Louisiana Fair 1981 11.6 m 3,092
DUGDEMONA RIVER Louisiana Fair 1976 151.5 m 3,086
CREEK Louisiana Good 1987 13.1 m 3,086
CREEK Louisiana Good 1987 11.3 m 3,086
YOUNGS NORTH COULEE Louisiana Good 2009 22.9 m 3,084
COULEE Louisiana Fair 1976 11.6 m 3,080
PEEBLES B DUBOIN Louisiana Fair 1955 15.8 m 3,078
LITTLE BAYOU BLACK Louisiana Good 1960 6.7 m 3,078
BAYOU CHOUPIQUE Louisiana Fair 1978 36.6 m 3,078
KELLY CANAL Louisiana Good 1954 8.2 m 3,078
BELLIVUE CANAL Louisiana Fair 1955 24.4 m 3,078
IVANHOE CANAL Louisiana Fair 1959 42.7 m 3,078
JACK COULEE Louisiana Fair 1955 14.3 m 3,078
BAYOU BLUE Louisiana Fair 1951 18.0 m 3,078
BAYOU WAREHOUSE Louisiana Good 2009 79.2 m 3,078
STUMPY BAYOU Louisiana Good 2011 99.1 m 3,078
CREEK Louisiana Good 2012 36.6 m 3,070
JONES CREEK Louisiana Fair 2000 42.7 m 3,066
CREEK Louisiana Good 2013 12.8 m 3,057
CREEK Louisiana Poor 1950 8.2 m 3,057
Coulee Duralde Louisiana Good 1996 30.5 m 3,050

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.