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
HAWK CREEK FLOODWAY Minnesota Poor 1936 90 366
CHETAMBA CREEK Minnesota Fair 1936 90 205
STREAM Minnesota Fair 1936 90 1,454
KETTLE CREEK Minnesota Fair 1936 90 891
STREAM Minnesota Fair 1936 90 1,606
MOUND CREEK Minnesota Fair 1936 90 1,606
LITTLE COTTONWOOD RIVER Minnesota Fair 1936 90 1,606
STREAM Minnesota Fair 1936 90 1,895
STREAM Minnesota Fair 1936 90 890
DITCH Minnesota Good 1936 90 1,439
DITCH Minnesota Fair 1936 90 1,439
Bassett Creek Minnesota Fair 1936 90 86,421
STREAM Minnesota Fair 1936 90 3,300
N BR SUNRISE RIVER Minnesota Fair 1936 90 3,412
NINE MILE CREEK Minnesota Fair 1936 90 18,153
MINNEHAHA CREEK Minnesota Fair 1936 90 9,132
SPRING VALLEY CREEK Minnesota Fair 1936 90 6,108
STREAM Minnesota Fair 1936 90 9,700
REDWOOD RIVER Minnesota Fair 1936 90 462
LITTLE PARTRIDGE CREEK Minnesota Fair 1936 90 939
STREAM Minnesota Good 1936 90 880
LITTLE WILLOW RIVER Minnesota Fair 1936 90 757
DUTCH SLOUGH Minnesota Good 1936 90 4,704
LITTLE HILL RIVER Minnesota Good 1936 90 1,118
DITCH Minnesota Fair 1936 90 3,450
STATE DITCH # 90 LAT #5 Minnesota Fair 1936 90 1,100
COAL MINE CREEK Minnesota Fair 1936 90 2,500
OTTER CREEK Minnesota Fair 1936 90 5,701
CAMP CREEK Minnesota Fair 1936 90 75
STONY CREEK Minnesota Fair 1936 90 1,708
JUD DITCH # 12 Minnesota Poor 1936 90 5
MSAS 258(EXCHANGE) Minnesota Poor 1936 90 6,350
MINNEHAHA CREEK Minnesota Fair 1936 90 6,706
MAYHEW CREEK Minnesota Good 1936 90 2,050
MAYHEW CREEK Minnesota Fair 1936 90 95
BEAR CREEK Minnesota Poor 1936 90 15
SAND CREEK Minnesota Fair 1936 90 30
SCHWERIN CREEK Minnesota Poor 1936 90 50
STREAM Minnesota Fair 1936 90 54
MOAT AROUND PARK Minnesota Fair 1936 90 10
MINNEHAHA CREEK Minnesota Fair 1936 90 5,000
CROW WING RIVER (DAM) Minnesota Fair 1937 89 690
STREAM Minnesota Good 1937 89 80
THREE MILE CREEK Minnesota Fair 1937 89 1,450
SNAKE RIVER Minnesota Fair 1937 89 2,318
RED RIVER; 3RD ST Minnesota Fair 1937 89 4,635
RESERVATION RIVER Minnesota Good 1937 89 1,198
STRAIGHT R RR STREET Minnesota Fair 1937 89 11,114
N FK CROW RIVER Minnesota Poor 1937 89 3,400
SPLIT ROCK CREEK Minnesota Good 1937 89 3,278

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.