|Peter Dudley shared David Parker's photo|
A southbound Conrail business train, led by ex - Erie Lackawanna E-8A No. 4022, crosses the 1921-vintage, former - New York Central River Rouge Bascule Bridge in Detroit, heading toward Toledo and Cleveland on April 27, 1983 (David Parker photograph)
Nolan Skipper LaFramboise II Peerless Cement in the background. Later known as St. Mary's Cement, I think
Bing (below) has a much better 3D photo than Google does in this case. Both the bridge and the silos still exist.
When Michigan Central and Lake Shore and Michigan Southern built these tracks, they were bitter competitors. In fact, that competition was the cause of the "crossing war" in Chicago. According to the SPV Map, after NYC bought them both, MC+B&O tracks were used for southbound traffic and the LS&MS+B&O tracks were used for northbound traffic.
Update: A 2017 Flickr photo that includes the G-Style (tight triangular color lights) Signal Heads and the bridge control tower.