Historic Bridges of the U.S.

Cascade River Bridge (Cook County, Minnesota)
Built 1932
Concrete arch bridge over Cascade River on MN 61
Open to traffic

Encampment River Bridge (Lake County, Minnesota)
Built 1941
Concrete arch bridge over Encampment River on MN 61
Open to traffic

Lester River Bridge (St. Louis County, Minnesota)
Built 1935
Concrete arch bridge over Lester River on MN 61 in Duluth
Open to traffic

Manitou River Bridge (Lake County, Minnesota)
Built 1956
Concrete arch bridge over Manitou River on MN 61
Open to traffic

Poplar River Bridge (Cook County, Minnesota)
Built 1931
Concrete arch bridge over Poplar River on MN 61
Open to traffic

Reservation River Bridge (Cook County, Minnesota)
Built 1937
Concrete arch bridge over Reservation River on MN 61
Open to traffic

Temperance River Bridge (Cook County, Minnesota)
Built 1931
Concrete arch bridge over Temperance River on MN 61
Open to traffic

Tischers Creek Bridge (St. Louis County, Minnesota)
Built 1915
Stone arch bridge over Tischers Creek on MN 61 in Duluth
Open to traffic