These are drawings of the Mystic River Bascule Bridge, the most recent of a series of bridges spanning the Mystic River built in 1920. A Bascule Bridge is a type of drawbridge with counterweights, this one has a movable span of 85 ft, a total length of 218 ft, and movable span weight of 660 TONS! It also has a great view of Mystic Seaport.
