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
E BR ROOT RIVER CANAL Wisconsin Poor 1939 87 5,500
EAU GALLE RIVER Wisconsin Fair 1939 87 981
KINNICKINNIC RIVER Wisconsin Good 1939 87 1,688
CMSTPP RR Wisconsin Poor 1939 87 150
ONEILL CREEK Wisconsin Fair 1940 86 5,200
NORTH STAR HOLLOW CREEK Wisconsin Fair 1940 86 210
SHAW HOLLOW CREEK Wisconsin Fair 1940 86 210
BR KICKAPOO RIVER Wisconsin Poor 1940 86 210
GREGORY BRANCH Wisconsin Fair 1940 86 3,300
SPRING VALLEY CREEK Wisconsin Fair 1940 86 379
BR TROUT RUN CREEK Wisconsin Fair 1940 86 80
CRAWFISH RIVER Wisconsin Fair 1940 86 5,400
SILVER CREEK Wisconsin Fair 1940 86 50
LRD CROSS & 2ND ST -MISS Wisconsin Fair 1940 86 7,750
PECATONICA RIVER Wisconsin Fair 1940 86 387
TIBBET CREEK Wisconsin Fair 1940 86 750
BARABOO RIVER Wisconsin Poor 1940 86 292
M BR EMBARRASS RIVER Wisconsin Poor 1940 86 1,500
STONY CREEK Wisconsin Fair 1940 86 4,800
WAUPACA RIVER Wisconsin Fair 1940 86 2,900
UPPER PINE CREEK Wisconsin Fair 1940 86 100
BR HAY RIVER Wisconsin Fair 1940 86 50
BR RED CEDAR RIVER Wisconsin Fair 1940 86 3,400
BR RED CEDAR RIVER Wisconsin Fair 1940 86 50
LIGHTNING CREEK Wisconsin Poor 1940 86 25
YELLOW RIVER Wisconsin Fair 1940 86 50
BR SUAMICO RIVER Wisconsin Fair 1940 86 257
BIG ELK CREEK Wisconsin Poor 1940 86 330
CN RR Wisconsin Poor 1940 86 69
FOX RIVER Wisconsin Fair 1940 86 177
WILDCAT CREEK Wisconsin Fair 1940 86 58
WILDCAT CREEK Wisconsin Good 1940 86 58
MIDDLE RIVER Wisconsin Fair 1940 86 107
FALL CREEK Wisconsin Fair 1940 86 367
W BR MILWAUKEE RIVER Wisconsin Poor 1940 86 47
MILWAUKEE RIVER Wisconsin Fair 1940 86 60
DOUGHERTY CREEK Wisconsin Fair 1940 86 105
BR NORWEGIAN CREEK Wisconsin Poor 1940 86 680
BR SUGAR RIVER Wisconsin Poor 1940 86 710
E PECATONICA RIVER Wisconsin Poor 1940 86 350
NORWAY HOLLOW CREEK Wisconsin Fair 1940 86 41
MORREY CREEK Wisconsin Fair 1940 86 52
BREWERY CREEK Wisconsin Fair 1940 86 156
ROARING CREEK Wisconsin Fair 1940 86 24
SKUTLEY CREEK Wisconsin Fair 1940 86 94
SKUTLEY CREEK Wisconsin Fair 1940 86 47
SQUAW CREEK Wisconsin Good 1940 86 58
ROARING CREEK Wisconsin Fair 1940 86 160
DUCK CREEK Wisconsin Poor 1940 86 58
DUCK CREEK Wisconsin Fair 1940 86 23

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.