Hancock, Michigan

Portage Lake Swing Bridge (Houghton County, Michigan)
Replaced in 1960
Through truss bridge over Portage River
Replaced by a new bridge

Portage Lake Swing Bridge (Old) (Houghton County, Michigan)
Built 1891; Struck by the Northern Wave in 1905; Replaced 1906
Lost Pratt through truss bridge over Portage Lake on Road
Destroyed by collision

Portage Lake Swing Bridge (Older) (Houghton County, Michigan)
Built 1875; Replaced 1891
Lost Howe deck truss bridge over Portage Lake on Road
Replaced by a new bridge