Houghton County

A&LS - Redridge Dam Bridge   [Map]
Abandoned deck plate girder bridge over Salmon Trout River on former Atlantic & Lake Superior Railroad
Abandoned with deck missing
C&H/DSA Overpass   [Map · Street View]
Abandoned pony/through plate girder bridge over rail-to-trail on Railroad
Abandoned
Chassell-Houghton Trail - Pilgrim River Bridge   [Map · Street View]
Timber stringer bridge over Pilgrim River on Chassell-Houghton Trail
Open to pedestrians, bicyclists, and snowmobiles only
Houghton-Hancock Bridge   [Map · Street View]
Vertical lift bridge over Portage Lake on US 41 between Houghton and Hancock
Open to traffic
Built 1960 by the American Bridge Division of the U.S. Steel Co.
Pike River Bridge   [Map]
Steel stringer bridge over Pike River on County Road C117
Open to traffic
Built 1914; rehabilitated 1966
Pilgrim River Bridge   [Map]
Concrete arch bridge over Pilgrim River on US 41 in Houghton
Open to traffic
Built 1916; rehabilitated 1942
Portage Lake Swing Bridge   [Map]
Through truss bridge over Portage River
Replaced by a new bridge
Replaced in 1960
Portage Lake Swing Bridge (Old)   [Map]
Lost Pratt through truss bridge over Portage Lake on Road
Destroyed by collision
Built 1891; Struck by the Northern Wave in 1905; Replaced 1906
Portage Lake Swing Bridge (Older)   [Map]
Lost Howe deck truss bridge over Portage Lake on Road
Replaced by a new bridge
Built 1875; Replaced 1891
Traprock River Bridge   [Map]
Lost pony truss bridge over Traprock River on County Road S10
No longer exists
Replaced 2000