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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 Fair 1935 91 10
REDSTONE CK South Dakota Poor 1935 91 15
CK South Dakota Poor 1935 91 95
BATTLE CK South Dakota Fair 1935 91 55
BATTLE CK South Dakota Fair 1935 91 91
BATTLE CK South Dakota Fair 1935 91 91
BATTLE CK South Dakota Fair 1935 91 65
CK South Dakota Fair 1935 91 91
BATTLE CK South Dakota Fair 1935 91 91
LONG CREEK South Dakota Fair 1935 91 45
BLIND CK South Dakota Poor 1935 91 35
LONG CREEK South Dakota Fair 1935 91 50
BEAVER CREEK South Dakota Poor 1935 91 67
LONG CREEK South Dakota Poor 1935 91 45
TRIBUTARY TO BLIND CREEK South Dakota Fair 1935 91 25
TRIBUTARY TO BLIND CREEK South Dakota Poor 1935 91 53
SNAKE CREEK South Dakota Poor 1935 91 56
TRIB. TO SADDLE CREEK South Dakota Fair 1935 91 80
HARAM CREEK South Dakota Fair 1935 91 50
TRIBUTARY TO ASH CREEK South Dakota Poor 1935 91 261
SNAKE CREEK South Dakota Poor 1935 91 50
TRIB. TO SADDLE CREEK South Dakota Fair 1935 91 50
SNAKE CREEK South Dakota Fair 1935 91 60
BEAVER CREEK South Dakota Fair 1935 91 60
SNAKE CREEK South Dakota Poor 1935 91 45
SADDLE CREEK South Dakota Poor 1935 91 45
BEAVER CREEK South Dakota Fair 1935 91 50
TRIB. TO W BRULE CREEK South Dakota Fair 1935 91 45
NINE MILE CREEK South Dakota Fair 1935 91 60
BEAVER CREEK South Dakota Poor 1935 91 65
SADDLE CREEK South Dakota Fair 1935 91 65
BEAVER CREEK South Dakota Poor 1935 91 74
PATTEE CREEK South Dakota Poor 1935 91 55
EAST BRULE CREEK South Dakota Poor 1935 91 50
TRIB. TO PATTEE CREEK South Dakota Fair 1935 91 40
TRIB. TO FINNIE CREEK South Dakota Fair 1935 91 45
TRIB. TO FINNIE CREEK South Dakota Poor 1935 91 45
TRIB. TO PATTEE CREEK South Dakota Poor 1935 91 50
CROW CREEK DITCH South Dakota Poor 1935 91 35
SPAIN DITCH South Dakota Poor 1935 91 35
LANGFORD DITCH South Dakota Poor 1935 91 25
CROW CREEK South Dakota Poor 1935 91 30
CROW CREEK South Dakota Poor 1935 91 35
WILD RICE CREEK South Dakota Poor 1935 91 80
COTTONWOOD CK South Dakota Poor 1935 91 33
CK South Dakota Poor 1935 91 10
CK South Dakota Fair 1935 91 21
TRIB TO BIG SIOUX RV South Dakota Fair 1935 91 14
DEVILS GULCH CREEK South Dakota Fair 1935 91 30
TRIB TO BEAVER CK South Dakota Poor 1935 91 62

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