 Originally a raft that was poled across the Connecticut River, it was then powered by a horse on a treadmill before being upgraded to a steamship in 1876.Today's ferry is a 3-car barge named the "Hollister III" towed by a diesel towboat named the "Cumberland".The ferry landings and the ferry itself are included in the Glastonbury–Rocky Hill Ferry Historic District, which was listed on the National Register of Historic Places in 2005.