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 1916 110 25
MINNEHAHA CREEK Minnesota Fair 1916 110 8,706
MIDTOWN GREENWAY Minnesota Poor 1916 110 680
LITTLE IOWA RIVER Minnesota Fair 1916 110 25
STREAM Minnesota Fair 1916 110 40
E FK DES MOINES RIVER Minnesota Fair 1916 110 30
MIDTOWN GREENWAY Minnesota Good 1916 110 862
MIDTOWN GREENWAY Minnesota Good 1916 110 970
MIDTOWN GREENWAY Minnesota Fair 1916 110 1,822
MIDTOWN GREENWAY Minnesota Poor 1916 110 1,670
MISS RVR; MAIN; W RVR PK Minnesota Fair 1917 109 14,500
DITCH Minnesota Fair 1917 109 30
DITCH Minnesota Fair 1917 109 20
ROBINSON CREEK Minnesota Poor 1917 109 4
STREAM Minnesota Poor 1917 109 20
ROSE CREEK Minnesota Poor 1917 109 8
CO DITCH # 22 Minnesota Fair 1917 109 420
CO DITCH # 49 Minnesota Fair 1917 109 45
SWAN RIVER Minnesota Poor 1917 109 25
CO DITCH # 9 Minnesota Fair 1917 109 106
LIME CREEK Minnesota Fair 1917 109 10
DITCH Minnesota Fair 1917 109 90
SHOTLEY BROOK Minnesota Poor 1917 109 1
BLACKHOOF CREEK Minnesota Poor 1918 108 420
COTTONWOOD RIVER Minnesota Poor 1918 108 70
STREAM Minnesota Poor 1918 108 70
E BR CHIPPEWA RIVER Minnesota Fair 1918 108 85
DRY RUN Minnesota Fair 1918 108 4,250
STREAM Minnesota Fair 1918 108 645
MID FK ZUMBRO RIVER Minnesota Fair 1918 108 2,350
MESABI TRAIL Minnesota Fair 1918 108 8,600
MISSISSIPPI RIVER (DAM) Minnesota Fair 1918 108 930
SPRING CREEK Minnesota Fair 1918 108 4,008
S FK WATONWAN RIVER Minnesota Fair 1918 108 180
STREAM Minnesota Poor 1918 108 45
TROUT RUN CREEK Minnesota Poor 1918 108 20
ELM CREEK Minnesota Fair 1918 108 67
CENTER CREEK Minnesota Poor 1918 108 58
SOUTH CREEK Minnesota Poor 1918 108 16
E FK DES MOINES RIVER Minnesota Fair 1918 108 42
GORMAN CREEK Minnesota Good 1919 107 33
STREAM Minnesota Fair 1919 107 1,450
ST LOUIS RIVER Minnesota Fair 1919 107 1,650
WELCOME CREEK Minnesota Poor 1919 107 10
STURGEON RIVER Minnesota Poor 1919 107 5
STEWART CREEK Minnesota Fair 1919 107 125
CHESTER CREEK Minnesota Fair 1919 107 6,286
STREAM Minnesota Fair 1920 106 1,067
E FK LAC QUI PARLE RIVER Minnesota Poor 1920 106 2
YELLOW MEDICINE RIVER Minnesota Poor 1920 106 15

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.