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
BONNER BRANCH Wisconsin Fair 1948 78 58
WILLOW RIVER Wisconsin Fair 1948 78 100
LENIGAN CREEK Wisconsin Fair 1948 78 11,300
GIRARDS CREEK Wisconsin Fair 1948 78 165
N BR HONEY CREEK Wisconsin Poor 1948 78 420
PINE RIVER Wisconsin Poor 1949 77 50
PINE RIVER Wisconsin Fair 1949 77 50
PESHTIGO RIVER Wisconsin Fair 1949 77 50
TORCH RIVER Wisconsin Fair 1949 77 297
BUFFALO RIVER Wisconsin Fair 1949 77 750
DUNCAN CREEK Wisconsin Poor 1949 77 9,920
LRD COTTAGE GROVE RD Wisconsin Fair 1949 77 22,300
LRD TERRACE AVE Wisconsin Fair 1949 77 27,300
PHEASANT BRANCH CREEK Wisconsin Poor 1949 77 15,700
CRAWFISH RIVER Wisconsin Fair 1949 77 880
ANNIS CREEK Wisconsin Fair 1949 77 2,900
POPPLE RIVER Wisconsin Good 1949 77 520
SINNIPEE CREEK Wisconsin Fair 1949 77 107
ROCK RIVER Wisconsin Fair 1949 77 1,002
SOPER CREEK Wisconsin Fair 1949 77 3,300
CEDAR CREEK Wisconsin Fair 1949 77 7,200
BR GOOSE CREEK Wisconsin Good 1949 77 5,100
ROOT RIVER CANAL Wisconsin Poor 1949 77 1,802
ROCK RIVER Wisconsin Fair 1949 77 6,600
BARABOO RIVER Wisconsin Fair 1949 77 1,200
NARROWS CREEK Wisconsin Fair 1949 77 1,700
OCONTO RIVER Wisconsin Fair 1949 77 753
BR KING CREEK Wisconsin Fair 1949 77 3,200
SPRING VALLEY CREEK Wisconsin Fair 1949 77 3,300
HONEY CREEK Wisconsin Fair 1949 77 1,900
LAC LA BELLE LAKE Wisconsin Good 1949 77 5,700
LITTLE WOLF RIVER Wisconsin Poor 1949 77 1,169
S FK EAU CLAIRE RIVER Wisconsin Good 1949 77 58
BUTLER CREEK Wisconsin Poor 1949 77 880
BUTLER CREEK Wisconsin Good 1949 77 1,000
PLATTE RIVER Wisconsin Fair 1949 77 107
ERICKSON CREEK Wisconsin Fair 1949 77 105
BR LITTLE SUGAR RIVER Wisconsin Poor 1949 77 211
SHULLSBURG BRANCH Wisconsin Fair 1949 77 88
GALENA RIVER Wisconsin Fair 1949 77 58
FISCHER CREEK Wisconsin Fair 1949 77 580
MARENGO RIVER Wisconsin Fair 1950 76 20
BIG ROCHE A CRI CREEK Wisconsin Fair 1950 76 3,700
CHIPPEWA RIVER 19 Wisconsin Poor 1950 76 1,070
MT VERNON CREEK Wisconsin Poor 1950 76 2,189
CRAWFISH RIVER Wisconsin Fair 1950 76 940
RED CEDAR RIVER Wisconsin Fair 1950 76 1,600
ROCK RIVER Wisconsin Fair 1950 76 1,800
BLUE RIVER Wisconsin Poor 1950 76 470
LITTLE PLATTE RIVER Wisconsin Fair 1950 76 630

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.