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
MIDDLE BR EMBARASS RIVER Wisconsin Poor 1922 104 101
ONION RIVER Wisconsin Fair 1922 104 205
TEN MILE CREEK Wisconsin Fair 1922 104 172
SEVEN MILE CREEK Wisconsin Fair 1923 103 795
OTTER CREEK Wisconsin Fair 1923 103 350
TROUT RUN CREEK Wisconsin Poor 1923 103 102
BR W FK LITTLE RIB RIVER Wisconsin Fair 1923 103 2,200
TIGER CREEK Wisconsin Fair 1923 103 720
S BR EMBARRASS RIVER Wisconsin Fair 1923 103 490
WALLA WALLA CREEK Wisconsin Fair 1923 103 21,200
YELLOW RIVER Wisconsin Fair 1923 103 58
MISSISSIPPI RIVER TRIB Wisconsin Fair 1923 103 29
BR STORY CREEK Wisconsin Poor 1923 103 88
LAU CREEK Wisconsin Fair 1923 103 880
HAY CREEK Wisconsin Fair 1923 103 96
W BR MILWAUKEE RIVER Wisconsin Fair 1923 103 180
MCCASLIN BROOK Wisconsin Fair 1923 103 205
LITTLE RIVER Wisconsin Fair 1923 103 1,100
BR BLACKHAWK CREEK Wisconsin Poor 1923 103 165
CHIPPEWA RIVER 10 Wisconsin Fair 1924 102 16,000
THOMPSON VALLEY CREEK Wisconsin Fair 1924 102 2,255
BR GRAND RIVER Wisconsin Fair 1924 102 250
MILWAUKEE RIVER Wisconsin Fair 1924 102 5,123
WILLOW RIVER Wisconsin Fair 1924 102 19,790
PENSAUKEE RIVER Wisconsin Fair 1924 102 410
CRANBERRY RIVER Wisconsin Fair 1924 102 53
TRADE RIVER Wisconsin Fair 1924 102 160
KILLSNAKE RIVER Wisconsin Fair 1924 102 184
KILLSNAKE RIVER Wisconsin Poor 1924 102 102
CROOKED CREEK Wisconsin Poor 1924 102 270
SHAW CREEK Wisconsin Fair 1924 102 58
BEARGRASS CREEK Wisconsin Poor 1924 102 161
N BR PESHTIGO RIVER Wisconsin Poor 1924 102 44
LAWERENCE CREEK Wisconsin Fair 1924 102 40
BR W TWIN RIVER Wisconsin Poor 1924 102 88
N FK SPIRIT RIVER Wisconsin Fair 1924 102 13
BR WILLOW RIVER Wisconsin Fair 1924 102 150
BUTLER DITCH Wisconsin Fair 1924 102 2,900
POPPLE RIVER Wisconsin Fair 1925 101 3,100
PRATT CREEK Wisconsin Fair 1925 101 822
WATERCRESS CREEK Wisconsin Poor 1925 101 1,308
OAK LEAF BIKE TRAIL (ABA Wisconsin Good 1925 101 17,300
TIFFANY CREEK Wisconsin Fair 1925 101 2,200
MARENGO RIVER Wisconsin Fair 1925 101 49
DUTCHMANS CREEK Wisconsin Fair 1925 101 94
JOHNS VALLEY CREEK Wisconsin Poor 1925 101 97
CHASE CREEK Wisconsin Fair 1925 101 50
WOOD CREEK Wisconsin Poor 1925 101 60
BR KILLSNAKE RIVER Wisconsin Good 1925 101 211
KILLSNAKE RIVER Wisconsin Poor 1925 101 30

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.