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
DARBONNE BAYOU RELIEF Louisiana Fair 1975 35.1 m 2,216
DARBONNE BAYOU Louisiana Poor 1975 110.6 m 2,216
DARBONNE BAYOU RELIEF Louisiana Fair 1975 87.2 m 2,216
CREEK Louisiana Fair 1948 17.7 m 2,216
CREEK Louisiana Fair 1976 17.4 m 2,216
MILLCREEK Louisiana Good 1995 34.7 m 2,211
CREEK Louisiana Good 2001 17.4 m 2,211
CREEK Louisiana Fair 1950 18.0 m 2,211
MASONS BRANCH Louisiana Good 1997 13.1 m 2,211
WHITE BAYOU Louisiana Poor 1970 57.9 m 2,210
BAYOU RAPIDES Louisiana Good 2002 42.1 m 2,207
BAYOU LACOMBE Louisiana Fair 1955 35.4 m 2,206
Gum Creek Louisiana Fair 1955 11.9 m 2,206
ICG RAILROAD Louisiana Fair 1937 63.7 m 2,206
CREEK Louisiana Fair 1955 17.7 m 2,206
DOW DRAINAGE Louisiana Fair 1958 16.5 m 2,205
BAYOU BOURBEU Louisiana Fair 1958 37.2 m 2,205
I-49 UP RR Louisiana Good 1993 362.1 m 2,205
BENOIT BAYOU Louisiana Fair 1986 17.4 m 2,204
BEACONS GULLY Louisiana Good 2008 17.4 m 2,203
PINE POINT GULLY Louisiana Fair 1970 23.2 m 2,203
DRAIN Louisiana Good 1957 7.0 m 2,203
Bayou Des Cannes Louisiana Good 2020 42.7 m 2,203
DRAIN Louisiana Good 1957 10.4 m 2,203
BAYOU CHOUPIQUE Louisiana Good 2000 34.7 m 2,201
CHINQUAPIN CANAL Louisiana Fair 1973 40.8 m 2,201
HANSON CANAL Louisiana Poor 1967 17.4 m 2,200
71ST STREET DITCH Louisiana Fair 1956 49.4 m 2,200
BAYOU TESSON Louisiana Fair 1965 6.4 m 2,200
CREEK Louisiana Good 2013 36.6 m 2,200
KLINE BRANCH Louisiana Good 1956 19.2 m 2,199
Drain Louisiana Good 2021 18.3 m 2,199
DRAIN Louisiana Good 1956 8.5 m 2,199
CREEK Louisiana Good 1956 14.6 m 2,199
CARPENTER BRANCH Louisiana Fair 1956 14.3 m 2,199
AARON BRANCH Louisiana Good 1957 8.2 m 2,199
DRAIN Louisiana Good 1957 18.3 m 2,199
DRAIN Louisiana Good 1957 14.0 m 2,199
DRAIN Louisiana Good 1957 10.4 m 2,199
MUDDY BAYOU Louisiana Fair 1938 8.5 m 2,198
CANEY BAYOU Louisiana Fair 1938 7.0 m 2,198
DRAIN Louisiana Fair 1938 13.4 m 2,198
DRAIN Louisiana Fair 1938 7.6 m 2,198
CREOLE CANAL Louisiana Fair 1955 10.1 m 2,194
DRAIN Louisiana Fair 1959 7.0 m 2,193
KINDER DITCH Louisiana Fair 1959 42.7 m 2,193
DRAIN Louisiana Fair 1963 7.9 m 2,192
ROUNDAWAY BAYOU Louisiana Fair 1963 30.5 m 2,192
PATRICK BAYOU Louisiana Good 2013 8.8 m 2,191
CANAL Louisiana Fair 1990 17.4 m 2,191

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.