 On Stillwater Island, Stillwater Bridge Road serves Lock 4 State Canal Park at the mouth of the Hoosic River and changes designations from NY 915C to County Route 125.A smaller truss bridge brings Stillwater Bridge Road across the Champlain Canal and onto the mainland of the town of Schaghticoke.The bridge carried NY 67 across the Hudson River until 1980, when NY 67 was realigned to cross the river at Mechanicville to the south.