Log In


Reset Password
  • MENU
    Video
    Sunday, December 04, 2022

    The unique engineering behind Mystic's drawbridge

    The Mystic River Bascule Bridge, built in 1922, has a unique design.

    The Mystic River Bascule Bridge, built in 1922, has a unique design. On most similar bridges the balance beam that holds the counterweights must remain parallel to the span as it rises. Mystic's bridge, based on a patent by Thomas Ellis Brown, has a pair of linkages that allow the balance beam to rotate through a smaller angle. This means the counterweights do not have to swing all the way down into the supporting structure.

    Comment threads are monitored for 48 hours after publication and then closed.