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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.

Clear
BridgeLocationConditionYear BuiltLengthADT
BARROW CANAL Louisiana Fair 1964 7.6 m 17,736
BAYOU LAFOURCHE Louisiana Good 2001 12.2 m 17,685
YOUNGS BAYOU Louisiana Good 1962 15.2 m 17,683
OUACHITA RIVER-LOUISVILL Louisiana Fair 1936 356.6 m 17,683
YOUNGS BAYOU Louisiana Fair 1935 9.8 m 17,683
Union Pacific Railroad Louisiana Good 2019 239.9 m 17,683
TURKEY CREEK Louisiana Good 1979 61.0 m 17,677
DRAIN Louisiana Fair 1962 9.1 m 17,671
BEAVER CREEK Louisiana Fair 1966 49.4 m 17,665
TANGIPAHOA RIVER Louisiana Good 1975 202.4 m 17,665
TERRYS CREEK Louisiana Fair 1966 73.2 m 17,665
SWAMP Louisiana Fair 2008 39.3 m 17,665
SELSERS CREEK Louisiana Fair 1975 36.6 m 17,665
COOLS CREEK Louisiana Fair 1966 30.5 m 17,665
SOUTH SLOUGH Louisiana Good 2005 36.6 m 17,665
MANCHAC INT/SERVICE RD Louisiana Good 1979 12,839.7 m 17,665
LA 1049 Louisiana Fair 1966 55.8 m 17,665
TANGIPAHOA RIVER RELIEF Louisiana Good 1975 118.0 m 17,665
LA 38 Louisiana Fair 1966 53.3 m 17,665
PARISH ROAD Louisiana Good 1966 41.8 m 17,665
TANGIPAHOA RELIEF Louisiana Good 1975 98.5 m 17,665
BEDICO CREEK Louisiana Fair 1975 51.2 m 17,665
ST. BERNARD AVE OFF RAMP Louisiana Fair 1968 130.1 m 17,605
PECAN BAYOU Louisiana Good 1993 42.7 m 17,593
DIVERSION CANAL Louisiana Good 1971 39.9 m 17,593
RED RIVER FORT BUHLOW Louisiana Good 2016 915.9 m 17,593
ROCKY BAYOU Louisiana Good 1997 36.6 m 17,593
KCS RAILROAD Louisiana Good 2015 371.9 m 17,593
UP RAILROAD Louisiana Fair 1974 168.6 m 17,593
EMBANKMENT Louisiana Good 1995 27.4 m 17,593
DITCH Louisiana Good 1989 7.6 m 17,593
DRAIN Louisiana Fair 1977 11.9 m 17,579
DRAIN Louisiana Fair 1977 9.4 m 17,579
GILMER BAYOU Louisiana Fair 1983 53.3 m 17,579
BAYOU CALBASSE Louisiana Fair 1985 18.3 m 17,577
BAYOU NARCISSE Louisiana Fair 1985 18.3 m 17,577
BLACK BAYOU Louisiana Good 2018 30.5 m 17,577
MP R/R Louisiana Fair 1966 82.9 m 17,565
YOUNGS BAYOU Louisiana Fair 1966 36.6 m 17,565
LA 549 & ICRR Louisiana Fair 1966 219.5 m 17,565
CITY ST & ICRR Louisiana Fair 1971 545.0 m 17,565
BAYOU MOUCHOIR Louisiana Fair 1963 24.4 m 17,565
PINE BAYOU Louisiana Poor 1963 24.4 m 17,565
BAYOU MOUCHOIR Louisiana Fair 1963 24.4 m 17,565
US 165-B & M P RR @ RILL Louisiana Fair 1963 152.7 m 17,565
INTERSTATE 20 Louisiana Fair 1965 101.5 m 17,565
DIVERSION CANAL Louisiana Fair 1944 14.6 m 17,561
SLOUGH Louisiana Good 1988 10.7 m 17,529
GREYS CREEK Louisiana Good 1956 24.4 m 17,500
JACKS BAYOU Louisiana Good 2001 8.8 m 17,420

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.