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
RED RIVER @ GRAND ECORE Louisiana Poor 1959 572.7 m 15,363
BOGUE LUSA CREEK Louisiana Fair 1962 30.8 m 15,320
MISSOURI PACIFIC RAILROA Louisiana Fair 1981 72.2 m 15,308
LOGAN BAYOU Louisiana Fair 1963 9.4 m 15,302
CROSS BAYOU Louisiana Good 1983 106.7 m 15,302
LA 329 & LDRR Louisiana Good 1969 426.7 m 15,262
BAYOU POTASSAY Louisiana Fair 1951 18.3 m 15,201
YOUNGS BAYOU Louisiana Fair 1974 36.6 m 15,184
Richards Gully Louisiana Fair 1976 18.6 m 15,172
DRAGON CREEK Louisiana Good 1958 6.7 m 15,157
I-220 Louisiana Fair 1978 194.2 m 15,150
MINE BRANCH COULEE Louisiana Fair 1968 17.4 m 15,120
I-12 Louisiana Fair 1970 82.3 m 15,094
WHITE BAYOU Louisiana Good 1992 103.6 m 15,087
DRAIN Louisiana Good 2006 8.5 m 15,061
DRAIN Louisiana Fair 2006 8.8 m 15,061
BAYOU VERRETTE Louisiana Fair 1972 18.3 m 15,051
EIGHTY ARPENT CANAL Louisiana Good 1992 29.0 m 15,000
CANAL NO 5 Louisiana Good 1981 9.8 m 15,000
CANAL NO 5 Louisiana Good 1981 9.8 m 15,000
CANAL #3 Louisiana Good 1975 7.9 m 15,000
UP RAILROAD Louisiana Good 2003 159.4 m 14,994
I-10 Louisiana Poor 1962 85.3 m 14,973
DINDE BAYOU Louisiana Poor 1960 34.7 m 14,973
I-20 Louisiana Fair 1965 92.4 m 14,962
TCHACKCHOU BAYOU Louisiana Good 1978 30.5 m 14,957
BLIND RIVER Louisiana Fair 1977 109.7 m 14,957
AIRLINE DRAINAGE CANAL Louisiana Good 1981 24.4 m 14,957
CONWAY BAYOU Louisiana Good 1981 30.5 m 14,957
AIRLINE DRAINAGE CANAL Louisiana Good 1981 36.6 m 14,957
AIRLINE DRAINAGE CANAL Louisiana Good 1981 30.5 m 14,957
DRAIN CANAL Louisiana Good 1978 36.6 m 14,957
CANAL Louisiana Fair 1931 6.7 m 14,902
E. PEARL RIV FRONTAGE RD Louisiana Fair 1958 121.9 m 14,900
RED RIVER FANT&TEAGUE PK Louisiana Fair 2008 833.3 m 14,900
DRAIN Louisiana Fair 1932 7.3 m 14,856
DRAIN Louisiana Fair 1932 10.1 m 14,856
YELLOW WATER RIVER Louisiana Fair 1969 61.0 m 14,856
CREEK Louisiana Good 1940 10.7 m 14,847
SUBURBAN CANAL Louisiana Good 1967 32.0 m 14,843
Blind River Louisiana Good 1978 24.4 m 14,837
CANAL Louisiana Good 1956 10.4 m 14,802
CANAL Louisiana Good 1956 10.4 m 14,802
GUM SLOUGH Louisiana Fair 2020 13.7 m 14,781
DRAINAGE CANAL Louisiana Fair 1982 53.3 m 14,769
DRAINAGE CANAL Louisiana Fair 1982 22.9 m 14,769
LA 182 / Drainage Canal Louisiana Good 1980 715.7 m 14,769
MC MAHON CANAL Louisiana Fair 1976 76.2 m 14,769
BAYOU FOLSE & CANAL Louisiana Fair 1976 199.9 m 14,769
B.CUTOFF Louisiana Fair 1976 53.3 m 14,769

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.