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
STONEY BROOK RIVER Minnesota Poor 1941 85 200
STREAM Minnesota Fair 1941 85 125
JACK CREEK Minnesota Fair 1941 85 20
BNSF RR Minnesota Poor 1941 85 1,334
ST ALBANS BAY Minnesota Poor 1941 85 4,400
MOUND CREEK Minnesota Fair 1941 85 127
CO DITCH # 31 Minnesota Fair 1941 85 60
STREAM Minnesota Fair 1941 85 55
JACK CREEK Minnesota Fair 1941 85 35
STREAM Minnesota Good 1941 85 321
THREE MILE CREEK Minnesota Fair 1941 85 145
REDWOOD RIVER Minnesota Fair 1941 85 75
TRIB REDWOOD RIVER Minnesota Poor 1941 85 70
STREAM Minnesota Fair 1941 85 52
STREAM Minnesota Good 1941 85 56
CLEARWATER RIVER Minnesota Fair 1942 84 2,750
CNW RY (ABAN) Minnesota Fair 1942 84 5,500
STRAIGHT RIVER Minnesota Fair 1942 84 300
RUM RIVER Minnesota Fair 1942 84 17,029
CP RAIL Minnesota Fair 1942 84 27,500
PHALEN BLVD; UP RR Minnesota Poor 1942 84 4,150
MINNEOPA CREEK Minnesota Fair 1942 84 2,464
CLEARWATER RIVER Minnesota Good 1942 84 4,419
CANBY CREEK Minnesota Fair 1942 84 1,027
WHISKEY DITCH Minnesota Fair 1942 84 6,300
DITCH Minnesota Fair 1942 84 30
STREAM Minnesota Fair 1942 84 95
BIG SPRINGS CREEK Minnesota Fair 1942 84 35
DITCH Minnesota Fair 1942 84 25
TWO RIVERS Minnesota Fair 1942 84 40
MISSISSIPPI RIVER Minnesota Fair 1943 83 9,809
SHANNON RIVER Minnesota Fair 1943 83 340
TRIB POPLAR CREEK Minnesota Poor 1943 83 56
DEMPSEY CREEK Minnesota Fair 1943 83 4
BNSF RR Minnesota Fair 1943 83 40
STREAM Minnesota Fair 1944 82 1,967
STREAM Minnesota Fair 1944 82 680
STREAM Minnesota Fair 1944 82 75
S BR WATER HEN CREEK Minnesota Fair 1945 81 760
JUD DITCH # 11 Minnesota Poor 1945 81 4
BEAR RIVER CREEK Minnesota Fair 1945 81 480
BNSF RR Minnesota Fair 1945 81 100
LAKE TRAVRSE OVERFLW DIV Minnesota Fair 1945 81 1,120
S BR VERMILLION RIVER Minnesota Fair 1945 81 75
KANARANZI CREEK Minnesota Fair 1945 81 900
STREAM Minnesota Poor 1945 81 31
STREAM Minnesota Fair 1945 81 44
STONY CREEK Minnesota Poor 1945 81 5
STREAM Minnesota Good 1945 81 42
N BR YELLOW MEDICINE R Minnesota Fair 1946 80 1,260

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.