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 1931 95 9,100
STREAM Minnesota Fair 1931 95 1,539
STREAM Minnesota Fair 1931 95 1,539
MOOSE CREEK Minnesota Fair 1931 95 2,200
STREAM Minnesota Fair 1931 95 3,182
LITTLE PARTRIDGE CREEK Minnesota Fair 1931 95 2,287
BURNHAM CREEK Minnesota Fair 1931 95 400
DITCH Minnesota Fair 1931 95 1,150
STREAM Minnesota Fair 1931 95 610
SAND CREEK Minnesota Good 1931 95 10,100
PELL CREEK Minnesota Fair 1931 95 1,448
PINE CREEK Minnesota Fair 1931 95 10,031
BOOT CREEK Minnesota Fair 1931 95 172
BULL RUN CREEK Minnesota Poor 1931 95 40
LITTLE COBB RIVER Minnesota Poor 1931 95 86
STREAM Minnesota Good 1931 95 1,250
RAVINE Minnesota Poor 1931 95 254
MINNEHAHA CREEK Minnesota Fair 1931 95 1,400
BASS BROOK Minnesota Fair 1931 95 9,600
MONEY CREEK Minnesota Fair 1931 95 30
Stream Minnesota Fair 1931 95 1
STREAM Minnesota Fair 1931 95 49
STREAM Minnesota Fair 1931 95 8
E FK DES MOINES RIVER Minnesota Poor 1931 95 54
STREAM Minnesota Fair 1932 94 1,544
STREAM Minnesota Poor 1932 94 1,544
WEST SWAN Minnesota Fair 1932 94 150
STREAM Minnesota Fair 1932 94 1,200
POMME DE TERRE RIVER Minnesota Fair 1932 94 2,248
WHITE PINE RIVER Minnesota Fair 1932 94 4,800
DITCH Minnesota Fair 1932 94 3,091
STREAM Minnesota Fair 1932 94 1,200
MISSISSIPPI RIVER Minnesota Fair 1932 94 29,051
MISSISSIPPI RIVER Minnesota Good 1932 94 16,400
CASCADE RIVER Minnesota Fair 1932 94 3,650
REDWOOD RIVER Minnesota Fair 1932 94 2,900
TWP 322 Minnesota Fair 1932 94 4,120
CEDAR RIVER Minnesota Fair 1932 94 9,200
DOBBINS CREEK Minnesota Poor 1932 94 3,700
STREAM Minnesota Fair 1932 94 4,120
STREAM Minnesota Fair 1932 94 4,120
STREAM Minnesota Fair 1932 94 4,120
DOBBINS CREEK Minnesota Fair 1932 94 2,900
WOLF CREEK Minnesota Fair 1932 94 2,900
STREAM Minnesota Fair 1932 94 7,700
STREAM Minnesota Fair 1932 94 3,182
SILVER CREEK Minnesota Fair 1932 94 2,100
PEARL CREEK Minnesota Fair 1932 94 2,100
STREAM Minnesota Fair 1932 94 1,950
SATERS CREEK Minnesota Fair 1932 94 2,925

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.