Crescent Bridge (also known as the Bridge 6) is a 1,229-foot (375 m) bridge over the Mohawk River and the Erie Canal. It is in Crescent, New York, a hamlet in the town of Halfmoon in southern Saratoga County on the northern side of the Mohawk River. The Crescent Bridge carries U.S Route 9 over the Mohawk River between the towns of Colonie in Albany County and Halfmoon.