Status: In storage at Chippewa County Road Commission yard
Location: 46.361376,-84.352158
Carries N. Mitchell Road over Charlotte River
Design: truss/pony
Design Details: Pony truss
Total Length: 34.8 Feet
Span Length: 32.8 Feet
Overview: Pony truss bridge over Charlotte River on N. Mitchell Road
History: Built 1935
Built: 1935
Location: Chippewa County
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Status: Closed to all traffic
Location: 46.362500,-84.289722
Carries 10 Mile Road over Charlotte River
Design: truss/pony/warren/alt-verticals
Design Details: Warren pony truss with alternating verticals
Total Length: 51.8 Feet
Span Length: 50.9 Feet
Overview: Warren pony truss bridge over Charlotte River on 10 Mile Road
History: Built 1914
Built: 1914
Location: Chippewa County
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Status: Dismantled and stored for reuse
Planned restoration in Ashmun Bay Park.
Location: 46.497850,-84.368860
Carries over
Design: truss/through/pennsylvania
Design Details: Pinned Pennsylvania through truss
Total Length: 233.9 Feet
Span Length: 0.0 Feet
Overview: Dismantled through truss bridge in Sault Ste. Marie
History: Built in 1900 by New Castle Bridge Company, currently dismantled for reuse.
Built: 1900
Location: Chippewa County
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166232
HAER photo
Status: Open to traffic
Location: 46.508333,-84.360278
Carries I-75 over St. Mary River
Design: arch/through/steel
Design Details: Cantilevered steel through arch
Total Length: 9280.6 Feet
Span Length: 430.1 Feet
Overview: Cantilevered arch bridge over St. Mary River on I-75 at Sault Ste. Marie
History: Built 1963
Built: 1963
Location: Chippewa County
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175030
Bridge And M/V Mesabi Miner
http://www.boatnerd.com/pictures/fleet/mesabi.htm
Photo taken by Nick Brnot
175031
184058
184059
184060
184061
184062
184063
184064
184065
184066
This makes it look like the bridge crosses land
184067
407669
Sault Ste. Marie International Bridge
Canadian Plate Girder approach
Photo taken by Matthew in January 2004
407670
Sault Ste. Marie International Bridge
United States double truss arch bridge
Photo taken by Matthew in May 2006
407671
Sault Ste. Marie International Bridge
Overview of the entire bridge. From foreground to background: * Emergency Swinging Dam Structure (red swing bridge; lower foreground) * Canadian through arch bridge (upper foreground) * Border crossing sagging girder bridge (center) * United States double truss arch bridges (background left) * Towers of the vertical-lift span of the International Railroad Bridge (background right)
Photo taken by Matthew in June 2011
407672
Sault Ste. Marie International Bridge
View on the bridge from the United State double truss arch spans
Photo taken by Matthew
407673
Sault Ste. Marie International Bridge
The actual International border crossing
Photo taken by Matthew
407674
Sault Ste. Marie International Bridge
Canadian approach
Photo taken by Matthew
407675
Sault Ste. Marie International Bridge
View on the bridge from the Canadian single through arch span
Photo taken by Matthew
430032
Photo taken by Mark Yurina in July 2018
430033
Photo taken by Mark Yurina in July 2018
430034
Photo taken by Mark Yurina in July 2018
430035
Photo taken by Mark Yurina in July 2018
430036
Canadian span from their portion of the Soo Locks
Photo taken by Mark Yurina in July 2018
430037
Canadian span oblique view
Photo taken by Mark Yurina in July 2018
430038
American span
Photo taken by Mark Yurina in July 2018
435257
Looking west from the Poe Lock
Photo taken by Jann Mayer in August 2018
435258
Span over the St. Marys River
Photo taken by Jann Mayer in August 2018
435259
Looking north from the Poe Lock
Photo taken by Jann Mayer in August 2018
435260
Looking north from the Poe Lock
Photo taken by Jann Mayer in August 2018
435261
Looking north from the Poe Lock
Photo taken by Jann Mayer in August 2018
Status: Open to traffic
Location: 46.495162,-84.349594
Carries Ashmun Street (Business Spur I-75) over Edison Power Canal
Design: arch/through/steel
Design Details: Steel through arch
Total Length: 256.9 Feet
Span Length: 256.9 Feet
Overview: Tied steel arch bridge over Power Canal on Business I-75 in Sault Ste. Marie
History: Built 1935; rehabilitated 1998
Built: 1935
Location: Chippewa County
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240740
Overview
Photo taken by James Baughn
240741
North portal
Photo taken by James Baughn
240742
South portal
Photo taken by James Baughn
240743
Arch from inside
Photo taken by James Baughn
240744
Overhead bracing
Photo taken by James Baughn
240745
Plaque
Photo taken by James Baughn
493653
Ashmun Street Bridge
Photo from Michigan State Historic Preservation Office
Status: Replaced by a new bridge sometime between 2000-04
Location: 46.346685,-84.357731
Carries 11 Mile Road over South Branch Charlotte River
Design: truss/pony
Design Details: Pony truss
Total Length: 33.8 Feet
Span Length: 32.8 Feet
Overview: Pony truss bridge over South Branch Charlotte River on 11 Mile Road
History: Built ca. 1920
Built: ca. 1920
Location: Chippewa County
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Status: Open to traffic
Location: 46.495833,-84.333056
Carries East Portage Ave. over Power Canal
Design: arch/through/steel
Design Details: Steel through arch
Total Length: 264.8 Feet
Span Length: 264.8 Feet
Overview: Steel through arch bridge over Power Canal on East Portage Ave. in Sault Ste. Marie
History: Built 1970; rehabilitated 1988
Built: 1970
Location: Chippewa County
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149478
Taken from the Tower of History
The bridge is on the right side of the photo. At the end of Portage Avenue is the landing for the Sugar Island Ferry. The imposing building on the riverfront is the Edison Powerplant
Photo taken by Robert Thompson in September 2005
240746
Overview
Photo taken by James Baughn
Status: Open to traffic
Location: 46.485197,-84.300045
Carries over Little Rapids Channel, St. Mary's River
Design: ferry
Design Details: Operated by Eastern Upper Peninsula Transportation Authority. Double ended ferry, propeller and rudder at each end. Normally, the propeller at the aft end of the vessel is used in crossing while the other one remains idling. On the return trip, the other engine is used.
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Ferry across Little Rapids Channel, St. Mary's River
History: M/V SUGAR ISLANDER II replaced the ageing SUGAR ISLANDER I
Built:
Location: Chippewa County
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149472
M/V SUGAR ISLANDER II
At the Sault Ste. Marie landing.
Photo taken by Robert Thompson in September 2005
151998
M/V SUGAR ISLANDER II
Taken at the builder's dock during the Inclining (Stability Test). Inclining weights are on deck to the right. The original steel grating ramps seen here have been replaced with larger steel plate ramps.
Photo taken by Robert Thompson
151999
M/V SUGAR ISLANDER II
Engine room, before completion. The gridwork of steel angles supports the engine room walking flats, which is not yet installed.
Photo taken by Robert Thompson
152000
M/V SUGAR ISLANDER II
Engine room, before completion. One of the main engines is in the middle of the photo; another is at the other end of the compartment. One of the two ship's service generators is at the right.
Photo taken by Robert Thompson
Status: Open to traffic
Location: 45.990802,-83.889088
Carries MIchigan Highway 134 over De Tour Passage (St. Mary's River)
Design: ferry
Design Details: Icebreaking ferries, connecting Drummond Island to the mainland. Operated by Eastern Upper Peninsula Transportation Authority. Also carries mining machinery across to island.
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Ferry across De Tour Passage (St. Mary's River) on MIchigan Highway 134
History:
Built:
Location: Chippewa County
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149473
07 DI IV loading
At the De Tour landing.
Photo taken by Robert Thompson in October 2004
149474
12 Drummond Island IV
Taken from the Drummond Island landing.
Photo taken by Robert Thompson in October 2004
Status:
Location: 46.289112,-84.216274
Carries over West Neebish Channel, St. Mary's River
Design: ferry
Design Details: Operated by Eastern Upper Peninsula Transportation Authority
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Ferry across West Neebish Channel, St. Mary's River
History:
Built:
Location: Chippewa County
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Status: Open to traffic
Location: 46.508359,-84.361499
Carries Railroad crossing connecting to Canadian rail system over St Mary's River / Soo Locks
Design: truss/through/camelback
Design Details: Crosses the American Soo Locks canal (Vertical Lift and Double-Leaf Bascule spans), the St. Mary's Rapids (Sault Ste. Marie) and the Canadian Soo Lock canal (Swing span)
Total Length: 5580.0 Feet
Span Length: 0.0 Feet
Overview: Camelback through truss bridge over St Mary's River / Soo Locks on a railroad crossing connecting to Canadian rail system
History: Built 1887; Swing span added 1895; Bascule spans added 1913; Vertical lift added 1960.
Built: 1887
Location: Chippewa County
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149475
International Rail Bridge, Sault Ste. Marie
The Bascule span is on the left, the Vertical Lift span is raised. Behind is the International Highway Bridge. The Swing Span is about a mile away on the Canadian side.
Photo taken by Robert Thompson in September 2005
149476
International Rail Bridge, Sault Ste. Marie
A crew from the local shipyard is having lunch.
Photo taken by Robert Thompson in September 2005
149477
International Rail Bridge, Sault Ste. Marie
M/V ST CLAIR enters the 1200 foot Poe Lock, downbound.
Photo taken by Robert Thompson in September 2005
184117
Vertical lift
184118
Bascule
184119
Behind the International Bridge, there are many small parker trusses spaning the St. Mary's Rapids
226123
RR bridge @ Soo Locks
Gene Smania, 1993
261403
Photo taken by Douglas Butler
261404
Photo taken by Douglas Butler
261405
Photo taken by Douglas Butler
261406
Photo taken by Douglas Butler
261407
Photo taken by Douglas Butler
261408
Photo taken by Douglas Butler
340059
Photo taken by Douglas Butler
340060
Photo taken by Douglas Butler in March 2013
340061
Photo taken by Douglas Butler in March 2013
340062
Photo taken by Douglas Butler in January 2014
340063
Photo taken by Douglas Butler in January 2014
340064
Photo taken by Douglas Butler in January 2014
340065
Photo taken by Douglas Butler in March 2013
340066
Photo taken by Douglas Butler
340067
Photo taken by Douglas Butler in October 2014
340068
Photo taken by Douglas Butler
340069
Photo taken by Douglas Butler in September 2013
340070
Photo taken by Douglas Butler in March 2013
340071
CP railroad Strauss bascule bridge
Photo taken by Douglas Butler
340138
Photo taken by Douglas Butler in May 2015
340139
Photo taken by Douglas Butler in May 2015
340140
Swing span bridge built in 1895 with double bascule rail bridge built in 1914 and a vertical lift rail bridge built in 1960 next side to the bascule bridge.
Photo taken by Douglas Butler
347403
Strauss bascule bridge design plan
Photo taken by Douglas Butler in January 2016
435262
Bascule span over entrance to Sabine and Davis Locks
These locks are not currently used.
Photo taken by Jann Mayer in August 2018
435263
Bascule span over entrance to Sabine and Davis Locks
Photo taken by Jann Mayer in August 2018
435264
North end of lift span
Due to the heavy traffic through the locks, this span is usually raised.
Photo taken by Jann Mayer in August 2018
435265
Bascule span over entrance to Sabine and Davis Locks
Photo taken by Jann Mayer in August 2018
435266
Looking north
Photo taken by Jann Mayer in August 2018
435267
North tower and counterweight for the lift span
Photo taken by Jann Mayer in August 2018
435268
Lift span from below
Photo taken by Jann Mayer in August 2018
435269
Lift span, looking north
Photo taken by Jann Mayer in August 2018
435270
Looking north along the bascule span and many fixed trusses
Photo taken by Jann Mayer in August 2018
435271
Looking east towards the lift span
Photo taken by Jann Mayer in August 2018
435272
Fixed trusses over the St. Marys river
Photo taken by Jann Mayer in August 2018
435273
M/V Stephen J Cort waiting to enter the Poe Lock
Photo taken by Jann Mayer in August 2018
438708
Photo taken by Douglas Butler in November 2018
457339
International Rail Bridge
The News-Palladium: October 7 1941
457340
International Rail Bridge
The Indianapolis News: October 8 1941
457341
International Rail Bridge
The Herald-Press: October 9 1941
457342
International Rail Bridge
The Times Herald: October 10 1941
482614
Sault Ste. Marie Swing Span
1938 view
Photo from U.S. Army Corps of Engineers
482615
Sault Ste. Marie International Rail Bridge
looking northwest at bascules
Photo from Mapio
496449
Sault Ste. Marie International Rail Bridge
1940s view showing swing and bascule spans
Photo from old postcard
496947
Tech drawing of a Canadian Pacific rail swing bridge by Douglas Butler
Photo taken by Douglas Butler in March 2020
511881
Photo taken from Transactions of the American Society of Civil Engineers Volumes 53-54 - 1904
Status: Replaced by new bridge
Location: 46.494090,-84.336848
Carries Spruce Street over Power Canal
Design: truss/through/pennsylvania
Design Details: Pinned Pennsylvania Through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Pennsylvania through truss bridge over Power Canal on Spruce Street
History: Built in 1900 by the New Castle Bridge Company; Collapsed while being dismantled in August 1982.
Built: 1900
Location: Chippewa County
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166231
HAER photo
466774
Spruce Street Bridge
HAER Photo
Status: Open to traffic
Location: 46.498109,-84.364053
Carries West Portage Avenue over Edison Power House Canal
Design: arch/deck/steel
Design Details: Steel through arch
Total Length: 260.0 Feet
Span Length: 260.0 Feet
Overview: Steel arch bridge over Edison Power House Canal on West Portage Avenue
History: Built 1970
Built: 1970
Location: Chippewa County
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240759
Overview
Photo taken by James Baughn
Status: Open to traffic
Location: 46.418494,-84.426388
Carries Soo Railroad over 6 Mile Road
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Deck plate girder bridge over 6 Mile Road on Soo Railroad
History:
Built:
Location: Chippewa County
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Status: Open to traffic
Location: 46.346111,-84.958611
Carries M-28 over East Branch Tahquemenon River
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 54.8 Feet
Span Length: 54.8 Feet
Overview: Deck plate girder bridge over East Branch Tahquemenon River on M-28
History: Built 1926
Built: 1926
Location: Chippewa County
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275813
File:M28-TahquamenonRiverBridgeMI.jpg
Photo taken by Andrew Jameson
275814
File:M28-TahquamenonRiverBridge2.jpg
Photo taken by Andrew Jameson
275815
File:M28-TahquamenonRiverBridgeMI3.jpg
Photo taken by Andrew Jameson
Status: Open to traffic
Location: 46.457994,-84.286155
Carries Riverside Drive over Frechette Creek
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Steel stringer bridge over Frechette Creek on Riverside Drive
History:
Built:
Location: Chippewa County
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Status: Open to traffic
Location: 46.231258,-84.605147
Carries Canadian National Railway over North Pine River
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 331.0 Feet
Span Length: 55.0 Feet
Overview: Deck plate girder ridge over North Pine River on Canadian National Railway
History:
Built:
Location: Chippewa County
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381586
Rudyard Cicra 1911
Old Postcard View
Status: Open to traffic
Location: 46.227300,-84.627860
Carries Canadian National Railway over Pine River
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 276.0 Feet
Span Length: 0.0 Feet
Overview: Deck plate girder bridge over Pine River on Canadian National Railway
History:
Built:
Location: Chippewa County
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Status: Open to traffic
Location: 46.230536,-84.560953
Carries M-48 over I-75
Design: beam/stringer/steel
Design Details: Steel stringer with laced-girder bents
Total Length: 672.9 Feet
Span Length: 71.9 Feet
Overview: Steel stringer bridge over I-75 on M-48
History: Built 1963
Built: 1963
Location: Chippewa County
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Status: Open to traffic
Location: 46.187142,-84.560989
Carries M-48 over I-75
Design: beam/stringer/steel
Design Details: Steel stringer with laced-girder bents
Total Length: 672.9 Feet
Span Length: 71.9 Feet
Overview: Steel stringer bridge over I-75 on M-48
History: Built 1962
Built: 1962
Location: Chippewa County
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Status: Open to traffic
Location: 46.360222,-84.418458
Carries Dafter Road over I-75
Design: beam/stringer/steel
Design Details: Steel stringer with laced-girder bents
Total Length: 357.0 Feet
Span Length: 78.7 Feet
Overview: Steel stringer bridge over I-75 on Dafter Road
History: Built 1963
Built: 1963
Location: Chippewa County
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Status: Replaced by new bridge
Location: 46.496086,-84.333228
Carries East Portage Avenue over Power Canal
Design: truss/through/pennsylvania
Design Details: Pennsylvania through truss
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Pennsylvania through truss bridge over Power Canal on East Portage Avenue
History: Replaced 1970
Built: ca. 1900
Location: Chippewa County
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Status: Replaced by a new bridge
Location: 46.230423,-84.605076
Carries over North Pine River
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Lost Deck plate girder bridge over North Pine River
History:
Built:
Location: Chippewa County
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509240
Photo taken from Biennial Report - Michigan State Highway Department - 1922
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.
