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
LAKE WINNEBAGO TRIB Wisconsin Fair 1925 101 307
DUNCAN CREEK Wisconsin Fair 1925 101 135
MCCANN CREEK Wisconsin Poor 1925 101 75
YAHARA RIVER Wisconsin Fair 1925 101 24,100
NEBAGAMON CREEK Wisconsin Poor 1925 101 53
UPPER TAMARACK RIVER Wisconsin Fair 1925 101 53
BEARGRASS CREEK Wisconsin Fair 1925 101 265
BEARGRASS CREEK Wisconsin Fair 1925 101 262
BR EAU CLAIRE RIVER Wisconsin Poor 1925 101 265
W BR ROCK RIVER Wisconsin Fair 1925 101 52
KUENSTER CREEK Wisconsin Fair 1925 101 102
MILL CREEK Wisconsin Poor 1925 101 35
TRIBUTARY BARABOO RIVER Wisconsin Poor 1925 101 1,035
BR SHERMAN CREEK Wisconsin Fair 1925 101 294
BR BONNER BRANCH Wisconsin Fair 1925 101 540
BR MILL CREEK Wisconsin Fair 1925 101 94
LEMONWEIR CREEK Wisconsin Fair 1925 101 47
KICKAPOO RIVER Wisconsin Good 1925 101 23
FIRST S BR OCONTO RIVER Wisconsin Fair 1925 101 35
S BR SUAMICO RIVER Wisconsin Poor 1925 101 1,100
WIND RIVER Wisconsin Poor 1925 101 87
BEAVER BROOK Wisconsin Fair 1925 101 86
E BR HONEY CREEK Wisconsin Fair 1925 101 420
TEAL RIVER Wisconsin Fair 1925 101 73
PENSAUKEE RIVER Wisconsin Poor 1925 101 120
MINK CREEK Wisconsin Fair 1925 101 50
BR BUFFALO RIVER Wisconsin Fair 1925 101 488
BR N FK BEAVER CREEK Wisconsin Fair 1925 101 455
BR RUSH CREEK Wisconsin Fair 1925 101 217
BR W FK KICKAPOO RIVER Wisconsin Poor 1925 101 205
BR BISHOP BRANCH Wisconsin Fair 1925 101 205
KOHLSVILLE RIVER Wisconsin Fair 1925 101 58
BR E BR ROCK RIVER Wisconsin Poor 1925 101 58
MUSKEGO CANAL Wisconsin Fair 1925 101 3,100
S BR PIGEON RIVER Wisconsin Poor 1925 101 220
NEENAH SLOUGH Wisconsin Poor 1925 101 38
WHITE RIVER Wisconsin Fair 1926 100 1,600
PINE CREEK Wisconsin Fair 1926 100 880
DES PLAINES RIVER Wisconsin Fair 1926 100 4,500
INDIAN CREEK Wisconsin Fair 1926 100 430
PLOVER RIVER Wisconsin Fair 1926 100 19,200
SUAMICO RIVER Wisconsin Fair 1926 100 592
LITTLE WAUMANDEE CREEK Wisconsin Poor 1926 100 10
MISSISSIPPI RIVER TRIB Wisconsin Fair 1926 100 700
DE NEVEU CREEK Wisconsin Poor 1926 100 650
NESHONIC CREEK Wisconsin Fair 1926 100 94
LRD WATER ST Wisconsin Poor 1926 100 9,800
COUNCIL CREEK Wisconsin Fair 1926 100 58
SILVER CREEK Wisconsin Fair 1926 100 58
BR INDIAN CREEK Wisconsin Fair 1926 100 430

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.