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
BRANCH WOLF RIVER Wisconsin Poor 1928 98 100
CONLAN CREEK Wisconsin Fair 1928 98 58
CONLAN CREEK Wisconsin Poor 1928 98 58
BR JACK CREEK Wisconsin Poor 1928 98 58
N BR CRAWFISH RIVER Wisconsin Fair 1928 98 630
ST CROIX RIVER 15 Wisconsin Fair 1928 98 107
BR GRAND RIVER Wisconsin Good 1928 98 47
BR BLACK RIVER Wisconsin Fair 1928 98 176
ROARING CREEK Wisconsin Fair 1928 98 66
ONE MILE CREEK Wisconsin Fair 1928 98 120
COUNTY LINE CREEK Wisconsin Good 1928 98 171
SCOTCH CREEK Wisconsin Fair 1928 98 570
LAND Wisconsin Fair 1928 98 81
LEMONWEIR CREEK Wisconsin Poor 1928 98 58
N BR OCONTO RIVER Wisconsin Poor 1928 98 50
WILLOW RIVER Wisconsin Fair 1928 98 210
TAMARACK RIVER Wisconsin Poor 1928 98 94
GRANT CREEK Wisconsin Poor 1928 98 58
BR COOLEY CREEK Wisconsin Fair 1928 98 94
COMET CREEK Wisconsin Good 1928 98 6
MILL CREEK Wisconsin Fair 1928 98 120
W BR FOND DU LAC RIVER Wisconsin Fair 1929 97 411
S BR MANITOWOC RIVER Wisconsin Fair 1929 97 708
W BR ROCK RIVER Wisconsin Fair 1929 97 1,400
PUCKYAN RIVER Wisconsin Poor 1929 97 1,600
FOX RIVER Wisconsin Fair 1929 97 3,900
LAND Wisconsin Poor 1929 97 6,280
LRD BRUCE STREET Wisconsin Fair 1929 97 6,280
LAND Wisconsin Fair 1929 97 6,280
LAND Wisconsin Fair 1929 97 6,280
CMSTP&P RR Wisconsin Poor 1929 97 6,280
CMSTP&P RR Wisconsin Poor 1929 97 6,280
LAND Wisconsin Poor 1929 97 6,280
LAND Wisconsin Poor 1929 97 6,280
LAND Wisconsin Poor 1929 97 6,280
LAND Wisconsin Poor 1929 97 6,280
LAND Wisconsin Poor 1929 97 9,109
LRD CANAL ST & CMSTP&P R Wisconsin Fair 1929 97 9,300
LAND Wisconsin Poor 1929 97 9,109
MENOMONEE RIVER Wisconsin Poor 1929 97 9,109
LAND Wisconsin Poor 1929 97 9,109
CMSTP&P RR Wisconsin Fair 1929 97 9,100
ST PAUL AVE & BUILDINGS Wisconsin Fair 1929 97 9,100
IH 94 E-W FREEWAY Wisconsin Fair 1929 97 9,100
LAND Wisconsin Fair 1929 97 3,642
LAND Wisconsin Fair 1929 97 3,642
LAND Wisconsin Fair 1929 97 3,642
LAND Wisconsin Fair 1929 97 3,642
KICKAPOO RIVER Wisconsin Poor 1929 97 470
ENGLE CREEK Wisconsin Fair 1929 97 75

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.