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
BN RR Wisconsin Fair 1941 85 10,200
N BR DUCK CREEK Wisconsin Poor 1941 85 52
BR KICKAPOO RIVER Wisconsin Poor 1941 85 600
BR KICKAPOO RIVER Wisconsin Poor 1941 85 600
BR KICKAPOO RIVER Wisconsin Poor 1941 85 210
BADFISH CREEK Wisconsin Poor 1941 85 146
KOSHKONONG CREEK Wisconsin Poor 1941 85 3,000
RED CEDAR RIVER Wisconsin Fair 1941 85 10,050
BROWN CREEK Wisconsin Fair 1941 85 2,300
BRULE RIVER Wisconsin Fair 1941 85 3,800
BR BURNS CREEK Wisconsin Fair 1941 85 4,800
BIG CREEK Wisconsin Fair 1941 85 4,200
COMET CREEK Wisconsin Fair 1941 85 1,900
LINCOLN CREEK Wisconsin Fair 1941 85 15,866
TRIMBELLE RIVER Wisconsin Fair 1941 85 2,500
BR S FK KINNICKINNIC R Wisconsin Fair 1941 85 2,500
BR WILLOW RIVER Wisconsin Fair 1941 85 8,200
SPRING VALLEY CREEK Wisconsin Fair 1941 85 1,700
BARABOO RIVER Wisconsin Fair 1941 85 1,400
N BR EMBARRASS RIVER Wisconsin Fair 1941 85 930
BR N FK BAD AXE RIVER Wisconsin Fair 1941 85 1,200
N FK BAD AXE RIVER Wisconsin Fair 1941 85 58
COE HOLLOW CREEK Wisconsin Poor 1941 85 195
HELEN CREEK Wisconsin Good 1941 85 1,087
COMO CREEK Wisconsin Fair 1941 85 9,000
BR LITTLE WOLF RIVER Wisconsin Fair 1941 85 6,500
SYLVESTER CREEK Wisconsin Fair 1941 85 158
TIMBER CREEK Wisconsin Fair 1941 85 200
N BR TREMPEALEAU RIVER Wisconsin Poor 1941 85 11
BR DUTCH GAP CANAL Wisconsin Poor 1941 85 5,200
BR COON CREEK Wisconsin Poor 1941 85 94
POINT CREEK Wisconsin Fair 1941 85 52
LITTLE RIB RIVER Wisconsin Poor 1941 85 95
MARSH CREEK Wisconsin Fair 1941 85 90
E BR LT EAU PLEINE RIVER Wisconsin Fair 1941 85 1,465
TRADE RIVER Wisconsin Fair 1941 85 520
SKUNK CREEK Wisconsin Fair 1941 85 45
PENSAUKEE RIVER Wisconsin Fair 1941 85 1,200
MISSISSIPPI RIVER 08 Wisconsin Fair 1942 84 10,200
DUNCAN CREEK Wisconsin Fair 1942 84 10,130
YELLOW RIVER Wisconsin Poor 1942 84 1,985
LAKE DU BAY Wisconsin Fair 1942 84 1,803
LITTLE SUAMICO RIVER Wisconsin Fair 1942 84 1,300
LITTLE EAU CLAIRE RIVER Wisconsin Fair 1942 84 473
BEAVER CREEK Wisconsin Fair 1942 84 4,400
OCONOMOWOC RIVER Wisconsin Poor 1942 84 1,015
FORWARD CREEK Wisconsin Fair 1942 84 580
W BR RED RIVER Wisconsin Fair 1942 84 770
COMET CREEK Wisconsin Fair 1942 84 247
PIGEON RIVER Wisconsin Fair 1942 84 352

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.