Built in 1847 to carry the Cheshire Railroad, it is one of the best-preserved pre-1850 stone arch bridges in the nation.
The Cheshire Railroad Stone Arch Bridge is located in southeastern Keene, in what is today a comparatively rural setting.
Its central feature is a massive granite arch, spanning the river known as The Branch.
The wing walls enclose an earthen causeway that give the entire structure an effective length of about 700 feet (210 m).
The bridge was designed by Lucian Tilton, probably with the assistance of William Scollay Whitwell, both of whom achieved some renown for their railroad engineering and other public works projects.