The contract to build "Bennington" was awarded to N. F. Palmer & Co. of Philadelphia in November 1887. Her hull was subcontracted to the Delaware River Iron Shipbuilding & Engine Works which laid down "Bennington"s keel in June 1888. "Bennington" was launched in June 1890. She was just over long and abeam and displaced . She was equipped with two steam engines which were supplemented with three schooner-rigged masts. The ship's main battery consisted of six guns and was augmented by an assortment of smaller caliber guns.