Mansfield Railway Viaduct, is a Grade II listed viaduct in the town centre of Mansfield, Nottinghamshire. The viaduct was built in 1875 for Midland Railway's Mansfield to Worksop Line. History. The viaduct can be credited to John Sydney Crossley, the chief engineer at the railway company, and consulting engineer William Barlow. Mansfield's former industrial success was attributed to the viaduct's being built to support the export of production.