Martholme Viaduct
Great Harwood, near Whalley
Built to carry the Great Harwood Loop of the East Lancashire Line over the River Calder.
1870 Construction started. Engineer: Sturges Meek.
1877 Opened
1964 Closed
It has ten round arches, each 40 feet (12 m) wide. On a slight curve, the viaduct is 65 feet (20 m) high.
Grade II listed [1]
See Wikipedia entry.