Detroit & Mackinac Railway
Reporting mark: DM
D&M - Kawkawlin River Bridge (Bay County, Michigan)
Built 1896Deck plate girder swing over Kawkawlin River on Detroit & Mackinac RailwayIntact but closed to all traffic
LSRC - Bay City Swing Bridge (Bay County, Michigan)
Built 1892Pratt through truss bridge over Saginaw River on Lake State Railway (formerly Detroit & Mackinac RR)Open to traffic
North Eastern State Trail - Cheboygan Bridge (Cheboygan County, Michigan)
Built 1904Warren through truss with all verticals bridge over Cheboygan River on North Eastern State Trail (formerly Detroit & Mackinac RR)Open to pedestrians