Great Hollow Road Stone Arch Bridge

The Great Hollow Road Stone Arch Bridge (also known as Etna Stone Bridge) is a historic bridge on Great Hollow Road, over Mink Brook, approximately 100 feet north of the junction with Smith Lane in Hanover, New Hampshire. The stone and concrete bridge was built in 1914 by the town. It is long and wide, with a road width of . The vault of the stone arch is 24.5 feet in width, and is constructed of mortared rubble stone lined with ashlar voussoirs. The stonework has been topped by six inches of concrete, which is believed to be a later addition intended to protect the stonework from the elements. The bridge was listed on the National Register of Historic Places in 1997.