Historic Bridges in Louisiana

614 bridges built before 1951 in Louisiana still in service today.

Bridges Built Before 1951

The United States has 614 bridges in Louisiana built before 1951 that remain in active service. These structures are 75+ years old — many predate modern engineering codes and were not designed for today's traffic volumes and vehicle weights. The average design life of a bridge is 50 years, making these aging structures a significant infrastructure concern.

Clear
Bridge State Condition Year Built Age (Years) ADT
CREEK Louisiana Fair 1932 94 9,942
PANOLA BAYOU Louisiana Fair 1932 94 8,719
DRAIN Louisiana Fair 1932 94 6,051
TALLA BENA BAYOU Louisiana Fair 1932 94 6,051
COULEE BAYOU Louisiana Fair 1932 94 5,027
CREEK Louisiana Good 1932 94 2,485
KINDER CANAL Louisiana Fair 1932 94 6,929
SERPENT BAYOU Louisiana Fair 1932 94 6,929
KINDER DITCH Louisiana Fair 1932 94 11,886
KINDER CANAL Louisiana Fair 1932 94 11,886
INDIAN BAYOU Louisiana Fair 1932 94 12,466
CREEK Louisiana Fair 1932 94 12,466
MAPLE FORK Louisiana Fair 1932 94 13,695
GUM BAYOU Louisiana Fair 1932 94 11,886
DRAIN Louisiana Fair 1932 94 5,622
CREEK Louisiana Good 1932 94 10,670
INDIAN BAYOU Louisiana Good 1932 94 7,855
COMPTON LAKE CANAL Louisiana Good 1932 94 7,855
CANEY BAYOU Louisiana Poor 1932 94 6,163
M P R/R Louisiana Poor 1932 94 1,473
INDIAN SLOUGH CANAL Louisiana Good 1932 94 2,306
WEST COLYELL CR. Louisiana Fair 1932 94 11,488
MID COLYELL CR. Louisiana Fair 1932 94 9,745
BIG BRANCH Louisiana Fair 1932 94 7,126
HOG BRANCH Louisiana Fair 1932 94 7,126
TICKFAW RIVER RELIEF Louisiana Fair 1932 94 7,126
DRAIN Louisiana Good 1932 94 4,992
BLOOD RIVER Louisiana Fair 1932 94 4,992
DRAIN Louisiana Good 1932 94 4,992
CREEK Louisiana Fair 1932 94 23,512
BAYOU CASTINE Louisiana Fair 1932 94 9,200
CANE BAYOU Louisiana Fair 1932 94 16,969
BIG BRANCH Louisiana Fair 1932 94 9,941
DRAIN Louisiana Fair 1932 94 8,928
DRAIN Louisiana Fair 1932 94 14,856
DRAIN Louisiana Fair 1932 94 14,856
PONCHATOULA CR. Louisiana Fair 1932 94 7,716
DRAIN Louisiana Fair 1932 94 14,613
HILL CREEK Louisiana Good 1932 94 7,160
DRAIN Louisiana Good 1932 94 7,160
CREEK Louisiana Good 1932 94 7,160
DRAIN Louisiana Fair 1932 94 7,817
POND BRANCH Louisiana Fair 1932 94 10,686
DRAIN Louisiana Fair 1932 94 10,686
DRAIN Louisiana Fair 1932 94 4,253
DRAIN Louisiana Fair 1932 94 5,765
ATCHAF.R/BERWICK BAY Louisiana Poor 1933 93 12,788
STREAM Louisiana Fair 1933 93 13,660
STREAM Louisiana Fair 1933 93 13,717
STREAM Louisiana Fair 1933 93 13,717

About Historic Bridge Data

Bridges built before 1951 are classified as historic in this database. Many were designed to 1940s standards with lower load limits and narrower lanes. While FHWA requires regular inspections of all bridges regardless of age, older structures often require more frequent monitoring and rehabilitation investment.