Historic Bridges in Minnesota

1,035 bridges built before 1951 in Minnesota still in service today.

Bridges Built Before 1951

The United States has 1,035 bridges in Minnesota 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
STREAM Minnesota Fair 1929 97 2,175
STREAM Minnesota Fair 1929 97 3,350
STREAM Minnesota Fair 1929 97 475
BUTTERFIELD CREEK Minnesota Fair 1929 97 35
SILVER CREEK Minnesota Fair 1930 96 1,350
CENTER CREEK Minnesota Poor 1930 96 1,089
WEST TWO RIVERS Minnesota Fair 1930 96 15
STREAM Minnesota Poor 1930 96 294
GENTILLY RIVER Minnesota Fair 1930 96 3,073
SPRING CREEK Minnesota Fair 1930 96 1,400
BOIS DE SIOUX RIVER Minnesota Fair 1930 96 9,650
STREAM Minnesota Fair 1930 96 1,893
Cannon River Minnesota Fair 1930 96 5,113
STREAM Minnesota Fair 1930 96 4,187
S FK GRINDSTONE RIVER Minnesota Fair 1930 96 23
LITTLE ROCK RIVER Minnesota Good 1930 96 295
MISSISSIPPI RIVER Minnesota Fair 1930 96 3,104
LIME CREEK Minnesota Fair 1930 96 175
JUD DITCH # 1 Minnesota Fair 1930 96 20
S FK WHITEWATER RIVER Minnesota Fair 1930 96 3,607
S FK WHITEWATER RIVER Minnesota Fair 1930 96 3,607
STREAM Minnesota Fair 1930 96 255
STREAM Minnesota Fair 1930 96 480
STREAM Minnesota Fair 1930 96 1,500
STREAM Minnesota Fair 1930 96 1,500
S FK WHITEWATER RIVER Minnesota Fair 1930 96 3,607
STREAM Minnesota Fair 1930 96 3,607
S FK WHITEWATER RIVER Minnesota Fair 1930 96 3,607
S FK WHITEWATER RIVER Minnesota Fair 1930 96 3,607
S FK WHITEWATER RIVER Minnesota Fair 1930 96 3,607
STREAM Minnesota Fair 1930 96 1
STREAM Minnesota Fair 1930 96 4,193
STREAM Minnesota Fair 1930 96 4,193
STREAM Minnesota Fair 1930 96 4,193
BREWERY CREEK Minnesota Fair 1930 96 4,187
BERGMAN BROOK Minnesota Fair 1930 96 1,655
STREAM Minnesota Fair 1930 96 455
BNSF RR; BASSETT CREEK Minnesota Good 1930 96 1,603
AYD MILL RD; CP RAIL Minnesota Fair 1930 96 11,103
SANDY RIVER Minnesota Fair 1930 96 2,575
DITCH Minnesota Fair 1930 96 3,900
STRAIGHT RIVER Minnesota Fair 1930 96 4,567
E SWAN RIVER Minnesota Poor 1930 96 20
STREAM Minnesota Poor 1930 96 255
DUTCH CHARLEY CREEK Minnesota Good 1930 96 933
DUTCH CHARLEY CREEK Minnesota Fair 1930 96 410
ST JAMES CREEK Minnesota Fair 1930 96 45
FLOODWY TO SPRING BR CRK Minnesota Fair 1930 96 45
Robert Street (952A) Minnesota Fair 1930 96 5,900
STREAM Minnesota Fair 1930 96 4,120

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.