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
METAIRIE ROAD Louisiana Fair 1962 414.5 m 1,600
DRAIN CANAL Louisiana Fair 1967 76.2 m 1,600
DRAIN CANAL Louisiana Fair 1967 110.0 m 1,600
LA 433 Louisiana Fair 1966 67.1 m 1,600
DRAINAGE CANAL Louisiana Fair 1966 36.6 m 1,600
US 190 Louisiana Fair 1966 61.0 m 1,600
CANAL Louisiana Fair 1966 30.5 m 1,600
CANAL Louisiana Fair 1966 30.5 m 1,600
I-59 NB LANE Louisiana Fair 1970 71.6 m 1,600
W PEARL RIVER Louisiana Fair 1970 694.9 m 1,600
MIDDLE PEARL R. Louisiana Fair 1970 234.7 m 1,600
CANAL Louisiana Fair 1965 48.8 m 1,600
N. CAUSEWAY APPR. S BOUN Louisiana Good 1993 319.1 m 1,600
MONROE St Louisiana Good 1993 647.4 m 1,600
MONROE STREET OPASS Louisiana Good 1993 596.5 m 1,600
GROUND Louisiana Good 2011 73.5 m 1,600
Nezpique Bayou E. Fork Louisiana Poor 1950 36.6 m 1,599
CREEK Louisiana Fair 1950 65.8 m 1,599
Cypress Bayou Louisiana Good 2017 18.3 m 1,597
DRAIN CANAL Louisiana Good 1984 24.4 m 1,596
DRAIN CANAL Louisiana Good 1984 18.3 m 1,596
MACKS BAYOU Louisiana Good 1994 6.4 m 1,596
DRAIN CANAL Louisiana Good 1984 24.4 m 1,596
I-20 Louisiana Fair 1969 104.5 m 1,594
BURNS BAYOU Louisiana Fair 1960 34.7 m 1,594
BEE BAYOU Louisiana Fair 1960 41.1 m 1,594
DRAIN Louisiana Fair 1960 11.9 m 1,594
BAYOU DE PORTAGE Louisiana Fair 1972 29.0 m 1,590
BIG CREEK Louisiana Poor 1968 231.6 m 1,590
LOWE CREEK Louisiana Fair 1948 11.9 m 1,590
LITTLE RIVER RELIEF Louisiana Fair 1981 91.4 m 1,590
RILEY BRANCH CR Louisiana Good 1972 7.6 m 1,590
MACK BRANCH CREEK Louisiana Good 1972 36.6 m 1,590
LITTLE RIVER Louisiana Good 1981 171.3 m 1,590
CREEK Louisiana Fair 1949 10.4 m 1,587
BAYOU SAN MIGUEL Louisiana Poor 1950 29.9 m 1,587
BAYOU SAN MIGUEL RELIEF Louisiana Fair 1934 28.0 m 1,587
CREEK Louisiana Fair 1950 8.2 m 1,587
BAYOU PORTAGE Louisiana Fair 1970 54.9 m 1,585
W ATCHAFALAYA FLOODWAY Louisiana Fair 1971 7,144.5 m 1,585
E ATCHAFALAYA FLOODWAY Louisiana Fair 1972 6,579.1 m 1,585
HAMMER CREEK Louisiana Good 1948 8.5 m 1,585
HAMMER CREEK TRIB Louisiana Fair 1948 8.5 m 1,585
EAST FLOODWAY Louisiana Fair 1972 12,800.4 m 1,585
SANDY CREEK Louisiana Poor 1957 69.8 m 1,584
HUNTERS BAYOU Louisiana Poor 1957 35.1 m 1,584
MCQUINNEY BAYOU R Louisiana Fair 1957 17.7 m 1,584
MCQUINNEY BAYOU Louisiana Poor 1957 52.4 m 1,584
TRIB OF BLUFF CK Louisiana Poor 1957 46.6 m 1,584
CREEK Louisiana Fair 1962 18.0 m 1,584

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.