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
FLAT CREEK Louisiana Fair 1949 77 280
CREEK REL BR Louisiana Fair 1949 77 280
LITTLE GLADE CR Louisiana Fair 1949 77 280
CREEK Louisiana Fair 1949 77 280
CUB CREEK Louisiana Fair 1949 77 280
CREEK Louisiana Poor 1949 77 318
BAYOU BREVELLE Louisiana Fair 1949 77 294
BAYOU BREVILLE Louisiana Fair 1949 77 294
CANE RIVER Louisiana Fair 1949 77 294
MILL CREEK Louisiana Good 1949 77 1,268
CREEK Louisiana Good 1949 77 1,268
CREEK Louisiana Good 1949 77 1,268
DIVERSION CANAL Louisiana Fair 1949 77 28,087
CREEK Louisiana Fair 1949 77 1,587
REDLAND CREEK Louisiana Poor 1949 77 39
BAYOU LAFOURCHE Louisiana Fair 1949 77 1,415
BUCKNERBAYOU Louisiana Fair 1949 77 1,795
STREAM NO NAME Louisiana Good 1949 77 6,747
STREAM Louisiana Good 1949 77 6,678
DOYLE BAYOU Louisiana Fair 1949 77 5,682
UNNAMED STREAM Louisiana Fair 1949 77 5,440
REDWOOD CREEK Louisiana Fair 1949 77 4,697
CARTER CREEK Louisiana Fair 1949 77 5,014
BIG BAYOU SARA Louisiana Fair 1949 77 4,492
TICKFAW RIVER Louisiana Fair 1949 77 7,126
CREEK Louisiana Fair 1949 77 1,130
DRAIN Louisiana Fair 1949 77 1,706
DRAIN Louisiana Fair 1949 77 1,706
DRAIN Louisiana Fair 1949 77 1,706
DRAIN Louisiana Fair 1949 77 1,706
DRAIN Louisiana Fair 1949 77 1,706
SOUTHERN RR Louisiana Fair 1950 76 47,747
SOUTHERN R R Louisiana Fair 1950 76 28,615
INDUSTRIAL CANAL Louisiana Poor 1950 76 23,049
RR YARD @ GALVEZ ST Louisiana Poor 1950 76
FLORIDA CANAL / RR Louisiana Fair 1950 76
FLORIDA CANAL / RR Louisiana Fair 1950 76
CREEK Louisiana Fair 1950 76 729
CREEK Louisiana Fair 1950 76 773
CREEK Louisiana Good 1950 76 1,947
CREEK Louisiana Good 1950 76 1,947
FEERE CANAL Louisiana Good 1950 76 1,947
MORRIS BRANCH Louisiana Fair 1950 76 3,308
BEAVER CREEK Louisiana Fair 1950 76 1,571
CREEK Louisiana Fair 1950 76 1,599
Nezpique Bayou E. Fork Louisiana Poor 1950 76 1,599
DAIGRE CANAL Louisiana Fair 1950 76 4,367
BAYOU TECHE PARKS Louisiana Poor 1950 76 3,378
YELLOW BAYOU Louisiana Fair 1950 76 2,330
Laports Coulee Louisiana Poor 1950 76 4,990

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.