When photographed in 1970 or so, demolition was well underway at Sandilands Viaduct, which was sited a few miles out of Lanark on the line to Muirkirk. The large stone abutments on both sides of the Clyde are, as far as I know, still in situ.
Location: Sandilands Viaduct (former)
Original line: Douglas Branch (Caledonian Railway)
Photographer: John Clark
Contact photographer: John Clark
Date: 1970
Image number: 88404