Roch Valley Viaduct was built in the 1860s in Rochdale, Greater Manchester and carried the Rochdale to Bacup railway line between Rochdale and Wardleworth stations.
It was demolished in 1972. A trial explosion was carried out at one arch at the section over the River Roch, and inadvertently, the rest of the viaduct came down as well. Nobody was hurt.
Coordinates: 53°37′11″N 2°08′27″W / 53.619606°N 2.140753°W