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
VAARA CREEK Minnesota Fair 1950 76 570
JOULA CREEK Minnesota Poor 1950 76 570
BIG SUCKER RIVER Minnesota Fair 1950 76 1,350
LE SUEUR RIVER Minnesota Poor 1950 76 92
SPLIT HAND CREEK Minnesota Poor 1950 76 40
SPLIT HAND CREEK Minnesota Poor 1950 76 60
LE SUEUR RIVER Minnesota Poor 1950 76 60
SISSABAGAMAH CREEK Minnesota Fair 1950 76 79
BEAVER RIVER Minnesota Fair 1950 76 5,900
BEAVER RIVER Minnesota Fair 1950 76 5,900
STREAM Minnesota Fair 1950 76 1,198
N BR SUNRISE RIVER Minnesota Fair 1950 76 7,049
GOOSE CREEK Minnesota Fair 1950 76 2,294
STONY BROOK Minnesota Fair 1950 76 2,550
STREAM Minnesota Poor 1950 76 70
JUD DITCH # 12 Minnesota Poor 1950 76 24
SLEEPY EYE CREEK Minnesota Fair 1950 76 185
MINNEHAHA CREEK Minnesota Poor 1950 76 251
DITCH Minnesota Poor 1950 76 30
STREAM Minnesota Fair 1950 76 580
STREAM Minnesota Poor 1950 76 8
PINE ISLAND CREEK Minnesota Fair 1950 76 20
PINE CREEK Minnesota Fair 1950 76 260
STREAM Minnesota Poor 1950 76 330
STREAM Minnesota Poor 1950 76 36
STREAM Minnesota Fair 1950 76 130
CHANNEL RUSH LAKE Minnesota Fair 1950 76 15
COAL MINE CREEK Minnesota Fair 1950 76 30
JUD DITCH # 12 Minnesota Poor 1950 76 1
JUD DITCH # 12 Minnesota Poor 1950 76 6
PALMER CREEK Minnesota Fair 1950 76 35
BNSF RR Minnesota Fair 1950 76 129
S BR BUFFALO RIVER Minnesota Poor 1950 76 21
TISCHERS CREEK Minnesota Fair 1950 76 526
STREAM Minnesota Fair 1950 76 5,900

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.