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
DUTCHMANS CREEK Wisconsin Fair 1920 106 94
BR RUSH RIVER Wisconsin Fair 1920 106 34
TRIMBELLE RIVER Wisconsin Fair 1920 106 93
ISABELLE CREEK Wisconsin Poor 1920 106 25
WAPOGASSET BRANCH Wisconsin Poor 1920 106 720
SQUAW CREEK Wisconsin Fair 1920 106 283
NORTH BAY CREEK Wisconsin Poor 1920 106 587
RUSH RIVER Wisconsin Fair 1920 106 515
HERMAN CREEK Wisconsin Poor 1920 106 101
W BR RED RIVER Wisconsin Fair 1920 106 20
N BR EMBARRASS RIVER Wisconsin Poor 1920 106 120
PENSAUKEE RIVER Wisconsin Fair 1920 106 200
MULLET RIVER Wisconsin Fair 1920 106 47
MULLET RIVER Wisconsin Poor 1920 106 790
MULLET RIVER Wisconsin Poor 1920 106 94
SPRING CREEK Wisconsin Poor 1920 106 92
BRUCE VALLEY CREEK Wisconsin Fair 1920 106 293
CMSTPP RR Wisconsin Poor 1920 106 107
NIPPERSINK CREEK Wisconsin Poor 1920 106 50
EIGHT MILE CREEK Wisconsin Fair 1920 106 40
LAKE POYGAN TRIB Wisconsin Poor 1920 106 40
BR CRANBERRY CREEK Wisconsin Poor 1920 106 60
DOOR CREEK Wisconsin Poor 1921 105 2,600
S BR MANITOWOC RIVER Wisconsin Fair 1921 105 880
BR SILVER CREEK Wisconsin Fair 1921 105 320
BR SILVER CREEK Wisconsin Fair 1921 105 320
BLACK OTTER CREEK Wisconsin Fair 1921 105 13,600
S FK EAU CLAIRE RIVER Wisconsin Poor 1921 105 58
CALAMUS CREEK Wisconsin Fair 1921 105 88
BEARGRASS CREEK Wisconsin Fair 1921 105 120
N BR PESHTIGO RIVER Wisconsin Poor 1921 105 34
SPRING CREEK Wisconsin Fair 1921 105 117
S BR OCONTO RIVER Wisconsin Fair 1921 105 17
HAY CREEK Wisconsin Fair 1921 105 111
N FK JUMP RIVER Wisconsin Poor 1921 105 60
MYERS VALLEY CREEK Wisconsin Poor 1921 105 94
DRY RUN Wisconsin Fair 1921 105 10
LAKE WINNEBAGO Wisconsin Poor 1921 105 115
TROUT CREEK Wisconsin Fair 1922 104 1,700
MINK CREEK Wisconsin Poor 1922 104 330
ARMOUR VALLEY CREEK Wisconsin Fair 1922 104 444
BR WAUMANDEE CREEK Wisconsin Fair 1922 104 58
BLUE MOUNDS BRANCH Wisconsin Fair 1922 104 352
BIG HAY MEADOW CREEK Wisconsin Poor 1922 104 14
NOISY CREEK Wisconsin Poor 1922 104 119
MILL CREEK Wisconsin Fair 1922 104 205
BR MILL CREEK Wisconsin Fair 1922 104 205
APPLE RIVER Wisconsin Fair 1922 104 54
HAY MEADOW CREEK Wisconsin Fair 1922 104 218
HAY MEADOW CREEK Wisconsin Fair 1922 104 61

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.