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
FRENCH CREEK Wisconsin Poor 1950 76 50
BR SUGAR RIVER Wisconsin Fair 1950 76 790
TWIN GROVE BRANCH Wisconsin Fair 1950 76 211
BR RICHLAND CREEK Wisconsin Fair 1950 76 56
TRUMP COULEE CREEK Wisconsin Fair 1950 76 47
WHITEWATER RIVER Wisconsin Fair 1950 76 411
EAST BRANCH Wisconsin Fair 1950 76 23
DES PLAINES RIVER Wisconsin Fair 1950 76 650
BR GALENA RIVER Wisconsin Fair 1950 76 88
GALENA RIVER Wisconsin Fair 1950 76 88
BR OTTER CREEK Wisconsin Good 1950 76 94
BR OTTER CREEK Wisconsin Fair 1950 76 94
SPOFFORD CREEK Wisconsin Fair 1950 76 47
BR GALENA RIVER Wisconsin Poor 1950 76 88
SPAFFORD CREEK Wisconsin Fair 1950 76 52
BR AMES BRANCH Wisconsin Fair 1950 76 23
BR DEVILS RIVER Wisconsin Fair 1950 76 23
SILVER CREEK Wisconsin Fair 1950 76 942
LITTLE WOLF RIVER Wisconsin Fair 1950 76 270
FOUR MILE CREEK Wisconsin Fair 1950 76 672
WAUSAUKEE RIVER Wisconsin Fair 1950 76 1,005
MISCAUNO CREEK Wisconsin Poor 1950 76 80
CNW RR Wisconsin Poor 1950 76 47
N BR KINNICKINNIC RIVER Wisconsin Fair 1950 76 2,500
ROOT RIVER Wisconsin Good 1950 76 7,500
BR KINNICKINNIC RIVER Wisconsin Fair 1950 76 11,498
E BR COON CREEK Wisconsin Fair 1950 76 23
BR ALLEN CREEK Wisconsin Good 1950 76 305
COUNCIL CREEK Wisconsin Fair 1950 76 23
BR LITTLE RIVER Wisconsin Fair 1950 76 1,200
N BR OCONTO RIVER Wisconsin Fair 1950 76 150
BR LITTLE SUAMICO RIVER Wisconsin Good 1950 76 120
TOAD CREEK Wisconsin Fair 1950 76 392
MAPLE CREEK Wisconsin Fair 1950 76 266
BR MAPLE CREEK Wisconsin Fair 1950 76 266
BR APPLE CREEK Wisconsin Fair 1950 76 1,947
BR SAUK CREEK Wisconsin Fair 1950 76 194
SAUK CREEK Wisconsin Fair 1950 76 194
BR MISSOURI CR Wisconsin Fair 1950 76 25
BUENA VISTA CREEK Wisconsin Fair 1950 76 24
TOMORROW RIVER Wisconsin Fair 1950 76 48
E BR ROOT RIVER CANAL Wisconsin Fair 1950 76 94
N BR PIKE RIVER Wisconsin Fair 1950 76 3,400
ELK CREEK Wisconsin Fair 1950 76 163
BR HORSE CREEK Wisconsin Poor 1950 76 520
BR PINE RIVER Wisconsin Fair 1950 76 207
MAIN CREEK Wisconsin Fair 1950 76 95
FRENCH CREEK Wisconsin Good 1950 76 110
BR RUSH RIVER Wisconsin Poor 1950 76 100
RUSH RIVER Wisconsin Fair 1950 76 115

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.