Historic Bridges in Wisconsin

1,333 bridges built before 1951 in Wisconsin still in service today.

Bridges Built Before 1951

The United States has 1,333 bridges in Wisconsin 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
LOWER PINE CREEK Wisconsin Poor 1913 113 109
SAND CREEK Wisconsin Poor 1913 113 42
N BR OCONTO RIVER Wisconsin Fair 1913 113 40
MOOSE EAR CREEK Wisconsin Fair 1914 112 200
KOSHKONONG CREEK Wisconsin Poor 1914 112 1,500
SCHOOLHOUSE CREEK Wisconsin Good 1914 112 159
EMBARRASS RIVER Wisconsin Fair 1914 112 120
BR HEMLOCK CREEK Wisconsin Poor 1914 112 480
WISCONSIN RIVER 31 Wisconsin Poor 1915 111 28,144
SAUK CREEK Wisconsin Fair 1915 111 10,200
WILLOW RIVER Wisconsin Fair 1915 111 226
QUADERERS CREEK Wisconsin Fair 1915 111 4,200
JOSIE CREEK Wisconsin Poor 1915 111 25
PENSAUKEE RIVER Wisconsin Poor 1915 111 100
BR PINE CREEK Wisconsin Poor 1915 111 531
E BR YELLOW RIVER Wisconsin Poor 1915 111 60
N CHANNEL MISSISSIPPI RI Wisconsin Fair 1916 110 40
LAND Wisconsin Poor 1916 110 1,300
LAND Wisconsin Poor 1916 110 1,300
OCONOMOWOC RIVER Wisconsin Fair 1916 110 4,700
DUNCAN CREEK Wisconsin Fair 1916 110 530
EVERGREEN CREEK Wisconsin Poor 1916 110 6
ONEIDA CREEK Wisconsin Fair 1916 110 205
BR CENTERVILLE CREEK Wisconsin Poor 1917 109 795
BR HEMLOCK CREEK Wisconsin Poor 1917 109 200
EAGLE CREEK Wisconsin Fair 1917 109 303
BR TREMPEALEAU RIVER Wisconsin Fair 1917 109 88
WOOD RIVER Wisconsin Fair 1917 109 50
BALSAM CREEK Wisconsin Poor 1917 109 75
N BR OCONTO RIVER Wisconsin Poor 1917 109
GALENA RIVER Wisconsin Fair 1917 109 10
BIG HAY MEADOW CREEK Wisconsin Poor 1917 109 75
LITTLE LA CROSSE RIVER Wisconsin Fair 1917 109 29
HAYMEADOW CREEK Wisconsin Poor 1917 109 71
BR BEAR CREEK Wisconsin Fair 1917 109 2,600
SOUTH CANAL Wisconsin Poor 1917 109 2,972
BR ISABELLE CREEK Wisconsin Fair 1917 109 484
ISABELLE CREEK Wisconsin Good 1917 109 87
OTTER CREEK Wisconsin Poor 1917 109 133
MILWAUKEE RIVER Wisconsin Fair 1917 109 235
OCONOMOWOC RIVER-W. CHAN Wisconsin Fair 1917 109 53
OCONOMOWOC R.-E. CHANNEL Wisconsin Fair 1917 109 53
WALLA WALLA CREEK Wisconsin Good 1917 109 46
KILLSNAKE RIVER Wisconsin Poor 1918 108 102
POKEGAMA RIVER Wisconsin Poor 1918 108 10
COPPER CREEK Wisconsin Fair 1918 108 107
DUCK CREEK Wisconsin Fair 1918 108 58
SPRING CREEK Wisconsin Fair 1918 108 216
RACCOON CREEK Wisconsin Poor 1918 108 82
E BR SHIOC RIVER Wisconsin Poor 1918 108 152

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.