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
BR BULLHEAD SLOUGH Wisconsin Good 1950 76 1,300
ROCK RIVER Wisconsin Fair 1950 76 5,000
BARK RIVER Wisconsin Fair 1950 76 600
BARK RIVER Wisconsin Fair 1950 76 1,500
BARK RIVER Wisconsin Poor 1950 76 1,500
YELLOW RIVER Wisconsin Fair 1950 76 6,900
CP RR Wisconsin Fair 1950 76 3,200
LITTLE ELK RIVER Wisconsin Fair 1950 76 472
YAHARA RIVER Wisconsin Fair 1950 76 1,282
BADFISH CREEK Wisconsin Fair 1950 76 2,000
EMBARRASS RIVER Wisconsin Poor 1950 76 1,150
N BR MILWAUKEE RIVER Wisconsin Fair 1950 76 2,300
FOX RIVER Wisconsin Fair 1950 76 3,700
EMBARRASS RIVER Wisconsin Good 1950 76 306
EAU GALLE RIVER Wisconsin Poor 1950 76 25
BIG ROCHE A CRI CREEK Wisconsin Good 1950 76 50
LITTLE ROCHE A CRI CREEK Wisconsin Poor 1950 76 1,100
LITTLE BEAR CREEK Wisconsin Good 1950 76 100
BR YELLOW RIVER Wisconsin Fair 1950 76 1,500
SUCKER CREEK Wisconsin Fair 1950 76 50
VERMILLION RIVER Wisconsin Fair 1950 76 225
MOON CREEK Wisconsin Poor 1950 76 50
BR DORITS CREEK Wisconsin Fair 1950 76 50
DORRITY CREEK Wisconsin Poor 1950 76 926
BROWN CREEK Wisconsin Fair 1950 76 23
BROWN CREEK Wisconsin Fair 1950 76 25
TILLER CREEK Wisconsin Fair 1950 76 100
HICKEY CREEK Wisconsin Poor 1950 76 50
MOOSE EAR CREEK Wisconsin Fair 1950 76 50
LITTLE BEAR CREEK Wisconsin Fair 1950 76 50
KOLIN CREEK Wisconsin Poor 1950 76 65
S FK FISH CREEK Wisconsin Fair 1950 76 48
ASHWAUBENON CREEK Wisconsin Fair 1950 76 94
S BR ELK CREEK Wisconsin Fair 1950 76 23
YELLOW RIVER Wisconsin Fair 1950 76 850
TRADE RIVER Wisconsin Fair 1950 76 55
POPPLE RIVER Wisconsin Fair 1950 76 58
N BR CRAWFISH RIVER Wisconsin Fair 1950 76 89
BADFISH CREEK Wisconsin Good 1950 76 264
BADFISH CREEK Wisconsin Good 1950 76 822
BAD FISH CREEK Wisconsin Fair 1950 76 94
EAU CLAIRE RIVER Wisconsin Poor 1950 76 75
MOSHER CREEK Wisconsin Fair 1950 76 2,616
SILVER CREEK Wisconsin Poor 1950 76 11
BR BIG GREEN RIVER Wisconsin Fair 1950 76 104
BLAKELY BRANCH Wisconsin Fair 1950 76 53
MCADAM BRANCH Wisconsin Fair 1950 76 53
BEETOWN BRANCH Wisconsin Poor 1950 76 37
SAUNDERS CREEK Wisconsin Fair 1950 76 280
BACON BRANCH Wisconsin Fair 1950 76 80

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.