Pere Marquette Railroad

CSX - 8 Mile Road Overpass (Washtenaw County, Michigan)
Built 1914
Deck plate girder bridge over 8 Mile Road on CSX RR
Open to traffic

CSX - Black River Bridge (St. Clair County, Michigan)
Built 1931
Warren through truss with all verticals bridge over Black River on Pere Marquette Railroad (abandoned)
Closed to all traffic; the yacht club that now owns the bridge proposed to demolish it as of December 2011; preservation group has offered to acquire lease it but club wants it moved off-site

CSX - Huron River Bridge (Oakland County, Michigan)
Stone arch bridge over Huron River on CSX railroad
Open to traffic

Pere Marquette - Black River Bridge (Old) (St. Clair County, Michigan)
Replaced 1930
Lost Through truss bridge over Black River on Pere Marquette Railroad
Demolished