Status: Open to traffic
Location: 47.103024,-88.516648
Carries US 41 over Pilgrim River
Design: arch/deck/open
Design Details: Closed-spandrel arch
Total Length: 53.8 Feet
Span Length: 53.8 Feet
Overview: Concrete arch bridge over Pilgrim River on US 41 in Houghton
History: Built 1916; rehabilitated 1942
Built: 1916
Location: Houghton County
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240747
Overview
Photo taken by James Baughn
240748
Underside
Photo taken by James Baughn
Status: Open to traffic
Location: 47.123907,-88.574052
Carries US 41 over Portage Lake
Design: other
Design Details: Vertical lift
Total Length: 1310.1 Feet
Span Length: 269.0 Feet
Overview: Vertical lift bridge over Portage Lake on US 41 between Houghton and Hancock
History: Built 1960 by the American Bridge Division of the U.S. Steel Co.
Built: 1960
Location: Houghton County
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195169
Portage Lake Bridge
Photo taken by Gene Smania
195170
Portage Lake Bridge
Photo taken by Gene Smania
195171
Portage Lake Bridge
Photo taken by Gene Smania
208091
Houghton-Hancock Bridge
Photo taken by C Hanchey in August 2011
208092
Houghton-Hancock Bridge
Photo taken by C Hanchey in August 2011
208093
Old railroad ramp to the Houghton-Hancock Bridge
Now used by snowmobiles in the winter
Photo taken by C Hanchey in August 2011
208094
Houghton-Hancock Bridge
Photo taken by C Hanchey in August 2011
208095
Houghton-Hancock Bridge
Photo taken by C Hanchey in August 2011
208096
Houghton-Hancock Bridge
Photo taken by C Hanchey in August 2011
208097
Houghton-Hancock Bridge
Photo taken by C Hanchey in August 2011
208098
Houghton-Hancock Bridge
Photo taken by C Hanchey in August 2011
208099
Houghton-Hancock Bridge
Photo taken by C Hanchey in August 2011
208100
Houghton-Hancock Bridge
Photo taken by C Hanchey in August 2011
261952
Photo taken by Douglas Butler
264532
Oblique View Looking South
As seen from the Quincy No. 2 Mine Tour.
Photo taken by J.R. Manning in August 2013
269326
Lift Bridge Brown Ale
Keweenaw Brewing's Lift Bridge Brown Ale commemorates the bridge with a picture on its beer can.
298224
Houghton - Hancock Bridge
Double deck bridge raised of ships
Photo taken by Douglas Butler
340137
GS, 9-1993
466655
Houghton-Hancock Bridge
1960 view with swing bridge on left
Photo from Pinterest
466656
Houghton-Hancock Bridge
1962 view looking north
Photo from old postcard
467356
MI UP 21
Photo taken by Chester Gehman August, 1986
Status: No longer exists
Location: 47.230278,-88.383333
Carries County Road S10 over Traprock River
Design: truss/pony
Design Details: Pony truss
Total Length: 42.0 Feet
Span Length: 40.0 Feet
Overview: Lost pony truss bridge over Traprock River on County Road S10
History: Replaced 2000
Built:
Location: Houghton County
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Status: Closed
Location: 47.018611,-88.526389
Carries County Road C117 over Pike River
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 37.7 Feet
Span Length: 36.7 Feet
Overview: Steel stringer bridge over Pike River on County Road C117
History: Built 1914; rehabilitated 1966
Built: 1914
Location: Houghton County
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240760
Deck view
Photo taken by James Baughn
240761
Stringer
Photo taken by James Baughn
240762
Date marker
Photo taken by James Baughn
Status: Open to pedestrians, bicyclists, and snowmobiles only
Location: 47.103209,-88.516291
Carries Chassell-Houghton Trail over Pilgrim River
Design: beam/stringer/wood
Design Details: Timber stringer
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Timber stringer bridge over Pilgrim River on Chassell-Houghton Trail
History:
Built:
Location: Houghton County
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240763
Side view
Photo taken by James Baughn
240769
Oblique view
Photo taken by James Baughn
240770
View from below
Photo taken by James Baughn
240771
Deck view
Photo taken by James Baughn
Status: Abandoned
Location: 47.242780,-88.459453
Carries Railroad over rail-to-trail
Design: girder/pony/plate
Design Details: Pony plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Abandoned pony/through plate girder bridge over rail-to-trail on Railroad
History:
Built:
Location: Houghton County
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238716
Photo taken by Robert
Status: Abandoned with deck missing
Location: 47.149080,-88.764274
Carries Atlantic & Lake Superior Railroad over Salmon Trout River
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 464.0 Feet
Span Length: 0.0 Feet
Overview: Abandoned deck plate girder bridge over Salmon Trout River on former Atlantic & Lake Superior Railroad
History:
Built:
Location: Houghton County
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347224
Side view
Photo taken by James Baughn in September 2012
347225
Deck view
Photo taken by James Baughn in September 2012
347226
Tower
Photo taken by James Baughn in September 2012
347227
Tower intertwined with dam supports
Photo taken by James Baughn in September 2012
347228
View from below
Photo taken by James Baughn in September 2012
347229
West abutment
Photo taken by James Baughn in September 2012
Status: Replaced by a new bridge
Location: 47.123414,-88.574090
Carries US 41 over Portage River
Design: truss/through
Design Details: Through truss swing
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Through truss bridge over Portage River
History: Replaced in 1960
Built:
Location: Houghton County
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341723
Houghton - Hancock Bridge (Old)
Replaced
Photo taken by Douglas Butler in November 2014
428073
From 1907 issue of the Proceedings of the American Railway Engineering and Maintenance of Way Association
Public Domain: Published Prior to 1923
466654
Portage Lake Swing Bridge
1960 view with new bridge on right
Photo from Pinterest
509190
Photo taken from Michigan Roads and Construction - Volume 20 - 1923
Status: Destroyed by collision
Location: 47.123907,-88.574052
Carries Road over Portage Lake
Design: truss/through/pratt
Design Details: Pratt through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Pratt through truss bridge over Portage Lake on Road
History: Built 1891; Struck by the Northern Wave in 1905; Replaced 1906
Built: 1891
Location: Houghton County
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428074
Public Domain: Published Prior to 1923
Status: Replaced by a new bridge
Location: 47.123907,-88.574052
Carries Road over Portage Lake
Design: truss/deck/howe
Design Details: Howe deck truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Howe deck truss bridge over Portage Lake on Road
History: Built 1875; Replaced 1891
Built: 1875
Location: Houghton County
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Status: Derelict/abandoned
Location: 47.152419,-88.767811
Carries Abandoned Edgemere Lane over Salmon Trout River
Design: truss/deck/warren
Design Details: Warren deck truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Abandoned warren deck truss bridge over Salmon Trout River on Abandoned Edgemere Lane
History:
Built:
Location: Houghton County
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Status: Open to traffic
Location: 46.998050,-88.480292
Carries Us-41 over Snake River Buried
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 40.0 Feet
Span Length: 40.0 Feet
Overview: Concrete tee beam bridge over Snake River Buried on Us-41
History: Built 1934
Built: 1934
Location: Houghton County
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Special Bridge Conditions Legend: R - Former location of relocated bridge. ! - At risk for demolition or destruction. X - Confirmed demolished or collapsed. S - Dismantled and/or in storage. L - Severe loss of historic integrity due to alteration.
