Status: Open to pedestrians
Location: 46.561111,-87.542222
Carries former CR 510 over Dead River
Design: truss/through/pennsylvania
Design Details: 8-panel, pinned Pennsylvania through truss (Camelback format)
Total Length: 271.0 Feet
Span Length: 264.8 Feet
Overview: Pennsylvania through truss bridge over Dead River on former CR 510
History: Originally built in Pennsylvania around the turn of the century. Acquired by the state of Michigan in 1919 and erected in 1921. Closed to traffic in 2010.
Built: ca. 1895
Location: Marquette County
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208023
CR 510 Bridge
Photo taken by C Hanchey in August 2011
208024
CR 510 Bridge
Photo taken by C Hanchey in August 2011
208025
CR 510 Bridge
Photo taken by C Hanchey in August 2011
208026
CR 510 Bridge
Photo taken by C Hanchey in August 2011
208027
CR 510 Bridge
Photo taken by C Hanchey in August 2011
208028
CR 510 Bridge
Photo taken by C Hanchey in August 2011
208029
CR 510 Bridge
Photo taken by C Hanchey in August 2011
208030
CR 510 Bridge
Photo taken by C Hanchey in August 2011
208031
CR 510 Bridge
Photo taken by C Hanchey in August 2011
415390
File:CR510 steel bridge 1922.jpg
1922 Biennial Report of the State Highway Commissioner, Plate XIV
511409
Photo taken by John Bernhisel
Status: Open to pedestrians only
Location: 46.573333,-87.469167
Carries HD Road over Dead River
Design: truss/deck/warren
Design Details: Warren deck truss
Total Length: 138.8 Feet
Span Length: 94.8 Feet
Overview: Deck truss bridge over Dead River on HD Road
History: Built 1935
Built: 1935
Location: Marquette County
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240757
Construction work
Photo taken by James Baughn
240758
Deck view
Photo taken by James Baughn
Status: Open to traffic
Location: 46.580588,-87.389884
Carries LS&I Railroad over Lake Shore Blvd.
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 38.7 Feet
Span Length: 37.7 Feet
Overview: Deck plate girder bridge over Lake Shore Blvd. on Railroad
History: Built 1911
Built: 1911
Location: Marquette County
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216926
Trestle connects to Ore Dock
Rail cars are pushed onto the ore dock by locomotives; the cars are dumped into pockets below the tracks. Chutes are dropped to the cargo hatches of the ship and the ore is dumped into the hold.
Photo taken by Robert Thompson in October 2011
216927
Looking west
The trestle is massively built to carry the weight of the heavy ore.
Photo taken by Robert Thompson in October 2011
216928
Looking north
The Ore Dock stands about 80 feet above the water, so the trestle has to match that height. A string of empty ore cars is being pulled off after being dumped.
Photo taken by Robert Thompson in October 2011
216929
Looking northwest
The trestle ends at the earth rampart carrying the railroad tracks down to the railyard.
Photo taken by Robert Thompson in October 2011
216930
M/V MESABI MINER
This ship is part of a fleet of nine 1000 foot long ore carriers, along with many smaller vessels. The 1000 footers are too large to pass through the St. Lawrence Seaway locks, and so cannot leave the Great Lakes. The 250 foot long boom on the ship carries an unloading conveyor; the structure under is is a conveyor to a coal-fired power plant on shore, allowing the ships to earn money carrying coal for the plant's boilers.
Photo taken by Robert Thompson in October 2011
Status: Unknown status
Location: 46.506944,-87.782222
Carries C&NW Railroad over Greenwood Road (County Road CL)
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 107.9 Feet
Span Length: 35.8 Feet
Overview: Steel stringer bridge over Greenwood Road (County Road CL) on C&NW Railroad
History:
Built:
Location: Marquette County
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Status: Unknown status
Location: 46.506136,-87.612329
Carries LS&I Rr over Business M-28 (Teal Lake Avenue)
Design: girder/pony/plate
Design Details: Pony plate girder
Total Length: 46.9 Feet
Span Length: 46.9 Feet
Overview: Pony/through plate girder bridge over Business M-28 (Teal Lake Avenue) on LS&I Rr
History: Built 1908
Built: 1908
Location: Marquette County
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240772
Overview
Photo taken by James Baughn
Status: Unknown status
Location: 46.501289,-87.579413
Carries WCL Railroad over County Road 480
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 44.9 Feet
Span Length: 42.0 Feet
Overview: Deck plate girder bridge over County Road 480 on WCL Railroad
History: Built 1910
Built: 1910
Location: Marquette County
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Status:
Location: 46.246713,-88.012720
Carries Old M-95 over Michigamme River
Design: arch/deck/luten
Design Details: Luten arch
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Luten arch bridge over Michigamme River on Old M-95
History: Built 1910
Built: 1910
Location: Marquette County
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497447
Michigamme River Bridge
Photo from National Weather Service
Status: Abandoned and deteriorated, but still standing.
Location: 46.527866,-88.004239
Carries Old US 41 over Peshekee River
Design: girder/pony/concrete
Design Details: Six-span concrete through girder
Total Length: 240.0 Feet
Span Length: 40.0 Feet
Overview: Concrete pony/through girder bridge over Peshekee River on Old US 41
History: Built 1914
Built: 1914
Location: Marquette County
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240773
Overview
Photo taken by James Baughn
240774
View from below
Photo taken by James Baughn
240775
Parallel railroad bridge
Photo taken by James Baughn
240776
Deck view
Photo taken by James Baughn
240777
Date marker
Photo taken by James Baughn
Status: Open to traffic
Location: 46.146389,-87.462500
Carries CR 557 over Big West River
Design: beam/stringer/steel
Design Details: Steel stringer with concrete facing
Total Length: 74.8 Feet
Span Length: 71.9 Feet
Overview: Steel stringer bridge over Big West River on CR 557
History: Built 1928
Built: 1928
Location: Marquette County
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Status: Open to traffic
Location: 46.383056,-87.978611
Carries LLL Road (Old M-95) over Michigamme River
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 149.9 Feet
Span Length: 47.9 Feet
Overview: Steel stringer bridge over Michigamme River on LLL Road (Old M-95)
History: Built 1934
Built: 1934
Location: Marquette County
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Status: Open to traffic above and below
Location: 46.538889,-87.494722
Carries LS&I Railroad over US 41
Design: girder/deck/plate
Design Details: Deck plate girder
Total Length: 86.0 Feet
Span Length: 43.0 Feet
Overview: Deck plate girder bridge over US 41 on LS&I Railroad
History: Built 1956
Built: 1956
Location: Marquette County
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240778
Overview
Photo taken by James Baughn
Status: Open to traffic
Location: 46.497859,-87.611924
Carries Rail Street over Silver Street (Business M-28)
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 49.9 Feet
Span Length: 47.9 Feet
Overview: Steel stringer bridge over Silver Street (Business M-28) on Rail Street
History: Built 1936
Built: 1936
Location: Marquette County
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240779
Overview
Photo taken by James Baughn
Status: Open to pedestrians only
Location: 46.572244,-87.410055
Carries Big Bay Road/County Road 550 over Dead River
Design: girder/pony/curved
Design Details: Concrete curved chord through girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Concrete curved chord through girder bridge over Dead River on Big Bay Road/County Road 550
History:
Built:
Location: Marquette County
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240796
Overview
Photo taken by James Baughn
240797
Oblique view
Photo taken by James Baughn
240798
Deck view
Photo taken by James Baughn
240799
Side view
Photo taken by James Baughn
240800
View of girder
Photo taken by James Baughn
240801
Close up of girder
Photo taken by James Baughn
240802
Underneath
Photo taken by James Baughn
Status: Open to traffic
Location: 46.527619,-88.004559
Carries Railroad over Peshekee River
Design: girder/pony/plate
Design Details: Pony plate girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Pony/through plate girder bridge over Peshekee River on Railroad
History:
Built:
Location: Marquette County
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240786
Overview
Photo taken by James Baughn
240787
Side view
Photo taken by James Baughn
240788
Deck view
Photo taken by James Baughn
240789
Floorbeam
Photo taken by James Baughn
240790
Shoe
Photo taken by James Baughn
240791
Underneath
Photo taken by James Baughn
Status: Open to pedestrians, bicyclists, and snowmobiles only
Location: 46.489444,-87.321389
Carries Duluth, South Shore & Atlantic Rail Trail over M-28
Design: girder/pony/plate
Design Details: Pony plate girder
Total Length: 106.0 Feet
Span Length: 106.0 Feet
Overview: Pony/through plate girder bridge over M-28 on Duluth, South Shore & Atlantic Rail Trail
History: Built 1938
Built: 1938
Location: Marquette County
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240785
Overview
Photo taken by James Baughn
Status: Open to traffic
Location: 46.519452,-87.512219
Carries Railroad over Morgan Creek
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 Morgan Creek on Railroad
History:
Built:
Location: Marquette County
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249558
Photo taken by Lance
Status: Open to traffic
Location: 46.554426,-87.507214
Carries Lake Superior & Ishpeming Railroad over Dead River
Design: arch/deck/steel
Design Details: Steel arch
Total Length: 0.0 Feet
Span Length: 0.0 Feet
Overview: Steel arch bridge over Dead River on Lake Superior & Ishpeming Railroad
History: Built 1916
Built: 1916
Location: Marquette County
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446526
LS&I - Dead River Bridge
Photo taken by Josiah Hanna from flickr
446527
Public Domain: Published Prior to 1923
446528
Public Domain: Published Prior to 1923
Status: Open to traffic
Location: 46.121547,-87.470322
Carries CR 557 over Little West River
Design: beam/tee
Design Details: Concrete tee beam
Total Length: 23.0 Feet
Span Length: 20.0 Feet
Overview: Concrete tee beam bridge over Little West River on CR 557
History: Built 1928
Built: 1928
Location: Marquette County
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Status: Open to traffic
Location: 46.361178,-87.784594
Carries CR 581 over West Br Escanaba River
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 30.8 Feet
Span Length: 28.9 Feet
Overview: Steel stringer bridge over West Br Escanaba River on CR 581
History: Built 1928
Built: 1928
Location: Marquette County
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Status: Open to traffic
Location: 46.277792,-87.436089
Carries M-35 over E Br Escanaba River
Design: beam/stringer/steel
Design Details: Steel stringer
Total Length: 69.9 Feet
Span Length: 69.9 Feet
Overview: Steel stringer bridge over E Br Escanaba River on M-35
History: Built 1940
Built: 1940
Location: Marquette County
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496494
M-35 Escanaba River Bridge
Photo from old postcard
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.
