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Bridges Found: 2


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Thunder Bay River Bridge

Status: Closed to all traffic

Location: 45.016050,-83.964620

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Carries Ulshaffer Road over Thunder Bay River
Design: truss/pony
Design Details: Pony truss
Total Length: 69.9 Feet
Span Length: 40.0 Feet

Overview: Pony truss bridge over Thunder Bay River on Ulshaffer Road
History: Built ca. 1930
Built: ca. 1930

Location: Montmorency County

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State Street Bridge

Status: Replaced by a new bridge

Location: 45.062806,-83.900723

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Carries State Street over Thunder Bay River
Design: girder/pony/concrete
Design Details: Concrete through girder
Total Length: 0.0 Feet
Span Length: 0.0 Feet

Overview: Lost Concrete pony/through girder bridge over Thunder Bay River on State Street
History:
Built: 1922

Location: Montmorency County

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496470

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Hillman Bridge

Photo from hillmanmichigan


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.

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