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
CURRAN CREEK Wisconsin Fair 1935 91 119
BR W FK HALLS CREEK Wisconsin Poor 1935 91 98
BR BLACK RIVER Wisconsin Fair 1935 91 35
CURRAN CREEK Wisconsin Fair 1935 91 20
BR GARVIN CREEK Wisconsin Fair 1935 91 11
SPRING BROOK Wisconsin Poor 1935 91 1,699
SKANAWAN CREEK Wisconsin Poor 1935 91 1
SILVER CREEK Wisconsin Fair 1935 91 5
JOHNSON CREEK Wisconsin Fair 1935 91 51
ROOT RIVER Wisconsin Fair 1935 91 47
MILWAUKEE RIVER Wisconsin Fair 1935 91 1,400
BR COUNCIL CREEK Wisconsin Poor 1935 91 94
BR SEYMOUR CREEK Wisconsin Fair 1935 91 20
BR RUSH RIVER Wisconsin Fair 1935 91 58
LITTLE ELK RIVER Wisconsin Fair 1935 91 106
SPRING BROOK Wisconsin Fair 1935 91 2,500
MID FK MAIN CREEK Wisconsin Fair 1935 91 86
BR WILLOW RIVER Wisconsin Poor 1935 91 1,300
WILLOW RIVER OVERFLOW Wisconsin Fair 1935 91 100
BR ONION RIVER Wisconsin Fair 1935 91 205
BLACK RIVER Wisconsin Fair 1935 91 47
ONION RIVER Wisconsin Fair 1935 91 47
LYGA VALLEY CREEK Wisconsin Poor 1935 91 18
GREENWOOD VALLEY CREEK Wisconsin Fair 1935 91 47
TRIB MISSISSIPPI RIVER Wisconsin Poor 1935 91 58
BR HORNBY HOLLOW CREEK Wisconsin Poor 1935 91 47
FLAMBEAU LAKE OUTLET Wisconsin Fair 1935 91 255
HARVEY CREEK Wisconsin Fair 1936 90 1,700
PANTHER CREEK Wisconsin Fair 1936 90 58
CAWLEY CREEK Wisconsin Fair 1936 90 2,600
FOX RIVER Wisconsin Fair 1936 90 8,000
N BR CRAWFISH RIVER Wisconsin Fair 1936 90 4,300
HAY RIVER Wisconsin Fair 1936 90 4,000
W BR ROCK RIVER Wisconsin Fair 1936 90 15
TAYCHEEDAH CREEK Wisconsin Poor 1936 90 3,600
MINERAL POINT BRANCH Wisconsin Fair 1936 90 1,100
WILSON CREEK Wisconsin Poor 1936 90 640
DOUGLAS CREEK Wisconsin Fair 1936 90 360
INDIAN CREEK Wisconsin Fair 1936 90 117
N BR TREMPEALEAU RIVER Wisconsin Fair 1936 90 530
FOX RIVER Wisconsin Fair 1936 90 6,800
STEINER BRANCH Wisconsin Poor 1936 90 505
YELLOWSTONE RIVER Wisconsin Poor 1936 90 505
TOMAHAWK RIVER Wisconsin Fair 1936 90 3,100
CEDAR CREEK Wisconsin Fair 1936 90 3,800
BR MANITOWOC RIVER Wisconsin Fair 1936 90 2,600
CNW RR Wisconsin Fair 1936 90 30,186
SILVER CREEK Wisconsin Fair 1936 90 2,400
BONGERS CREEK Wisconsin Fair 1936 90 20,705
SHIOC RIVER Wisconsin Fair 1936 90 350

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.