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Historic Bridges in South Dakota

1,118 bridges built before 1951 in South Dakota still in service today.

Bridges Built Before 1951

The United States has 1,118 bridges in South Dakota 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 South Dakota Poor 1928 98 33
MIDDLE PEARL CREEK South Dakota Poor 1928 98 56
CK South Dakota Fair 1928 98 73
ANTELOPE CREEK South Dakota Poor 1928 98 15
BRYANT CREEK South Dakota Poor 1928 98 36
CK South Dakota Poor 1928 98 10
CK South Dakota Poor 1928 98 538
TURTLE CK South Dakota Fair 1928 98 10
LITTLE TURTLE CK South Dakota Poor 1928 98 15
WEST FORK ELM CK South Dakota Poor 1928 98 65
CROW CREEK South Dakota Fair 1928 98 35
SNAKE CREEK South Dakota Poor 1929 97 98
DOVE CREEK South Dakota Poor 1929 97 36
BOSWELL DIVERSION DITCH South Dakota Fair 1929 97 129
CK South Dakota Fair 1929 97 125
REDSTONE CK South Dakota Fair 1929 97 20
CREEK South Dakota Fair 1929 97 458
CREEK South Dakota Poor 1929 97 30
N. FORK WHETSTONE RV South Dakota Poor 1929 97 20
JIM CREEK South Dakota Poor 1929 97 30
CREEK South Dakota Poor 1929 97 144
CREEK South Dakota Poor 1929 97 76
BEAVER CREEK South Dakota Fair 1929 97 326
WEST FIRESTEEL CK South Dakota Fair 1930 96 53
FIRESTEEL CK South Dakota Fair 1930 96 33
FIRESTEEL CK South Dakota Poor 1930 96 65
SILVER CREEK South Dakota Poor 1930 96 120
SAND CREEK South Dakota Fair 1930 96 70
SAND CREEK South Dakota Poor 1930 96 56
CREEK South Dakota Poor 1930 96 56
SILVER CREEK South Dakota Fair 1930 96 120
CAIN CREEK South Dakota Poor 1930 96 56
CREEK South Dakota Fair 1930 96 56
CAIN CREEK South Dakota Poor 1930 96 105
BROADLAND CREEK South Dakota Poor 1930 96 35
UNNAMED CREEK South Dakota Poor 1930 96 39
PEARL CREAK South Dakota Poor 1930 96 178
MIDDLE PEARL CREEK South Dakota Fair 1930 96 121
S. FORK OF PEARL CREEK South Dakota Poor 1930 96 56
MIDDLE PEARL CREEK South Dakota Poor 1930 96 56
MIDDLE PEARL CREEK South Dakota Poor 1930 96 119
S. FORK OF PEARL CREEK South Dakota Fair 1930 96 121
TRIB. TO CHOTEAU CREEK South Dakota Poor 1930 96 60
TRIB TO DRY CHOTEAU CRK South Dakota Poor 1930 96 60
TRIB. TO EMANUEL CREEK South Dakota Poor 1930 96 50
TRIB. TO EMANUEL CREEK South Dakota Fair 1930 96 60
EMANUEL CREEK South Dakota Fair 1930 96 124
EMANUEL CREEK South Dakota Poor 1930 96 60
TRIB. TO EMANUEL CREEK South Dakota Poor 1930 96 60
SILVER CREEK South Dakota Fair 1930 96 60

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.

All Bridges Poor Condition Scour Critical Bridge Stats