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
E YOUNGS BAYOU Louisiana Fair 1965 7.3 m 84,225
US 165 Louisiana Fair 1965 154.2 m 84,225
CITY ST/ICG RR/OUACHITA Louisiana Fair 1965 2,790.4 m 84,225
YOUNGS BAYOU Louisiana Fair 1965 42.7 m 84,225
BLACK BAYOU Louisiana Fair 1965 48.8 m 84,225
MAPLE FORK BAYOU Louisiana Fair 2022 67.1 m 83,609
I-10 Louisiana Good 2006 100.6 m 83,400
CANAL Louisiana Fair 1966 36.6 m 82,860
LA 433 Louisiana Fair 1966 67.1 m 82,860
KCS RAILROAD Louisiana Good 2013 281.6 m 82,333
OAKLAWN DRIVE Louisiana Good 1966 480.4 m 80,773
BONNABEL BLVD. Louisiana Fair 1966 504.4 m 80,773
LA 415 Louisiana Fair 1969 294.4 m 80,618
DRAINAGE CANAL Louisiana Fair 1969 14.3 m 80,618
DRAINAGE CANAL Louisiana Good 1968 7.0 m 80,618
BAYOU CHOCTAW Louisiana Fair 1974 73.2 m 80,618
BRIDGE 290 EBL Louisiana Good 1973 48.5 m 80,618
LA 59 Louisiana Good 1976 75.3 m 80,162
PONCHATOLAWA CREEK Louisiana Fair 1976 53.3 m 79,960
TCHEFUNCTE RIVER Louisiana Fair 1975 429.5 m 79,563
US 190 Louisiana Fair 1976 209.7 m 79,563
BAYOU LACOMBE Louisiana Good 1976 85.3 m 79,502
US190/US61 Louisiana Good 1976 753.8 m 79,455
LA 21 Louisiana Fair 1975 78.6 m 79,164
BIG BRANCH Louisiana Good 1972 6.7 m 78,974
DRAIN Louisiana Fair 1966 9.1 m 78,651
BAYOU LIBERTY Louisiana Good 1972 48.8 m 78,365
I-59 NB Louisiana Fair 1970 57.9 m 78,215
I-10 Louisiana Good 1970 136.2 m 78,215
DRAIN Louisiana Fair 1970 9.1 m 78,215
I-59 SB Louisiana Fair 1970 37.2 m 78,215
VINCENT BAYOU Louisiana Fair 1970 30.5 m 78,215
DONYA ST/CANAL Louisiana Good 1970 129.8 m 78,215
US 11 Louisiana Good 1970 153.9 m 78,215
US 79 & 80 I-20 & KCS R Louisiana Good 1993 1,047.6 m 78,214
US79-80 I20 & RRS Louisiana Good 1993 1,047.6 m 78,214
CANAL Louisiana Good 1969 8.5 m 78,208
HORNSBY CREEK Louisiana Fair 1969 38.1 m 78,208
COLYELL CREEK Louisiana Fair 1969 61.0 m 78,208
Drain Canal Louisiana Good 2022 79.2 m 77,962
Dranage Canal Louisiana Good 2022 79.2 m 77,962
DRAIN CANAL Louisiana Fair 1967 76.2 m 77,962
BULLARD RD. Louisiana Fair 1973 440.4 m 77,962
DRAIN CANAL Louisiana Fair 1967 110.0 m 77,962
JAHNCKE CANAL Louisiana Fair 1972 30.5 m 77,962
SABINE RIVER Louisiana Fair 2002 1,526.1 m 77,897
CANAL Louisiana Good 1970 12.2 m 77,469
GRAYS CREEK Louisiana Fair 1970 45.7 m 77,469
DUMPLIN CREEK Louisiana Fair 1970 30.5 m 77,469
MIDDLE COLYELL CREEK Louisiana Fair 1970 61.0 m 77,469

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.