The Leonard P. Zakim Bunker Hill Memorial Bridge at twilight. The Zakim bridge, was part of The Big Dig Project in Boston. It is one of the widest cable-stayed bridges in the world. The Bridge serves as the northern entrance to and exit from Boston. The Bridge is named after civil rights activist Lenny Zakim and the American colonists who fought the British in the Battle of Bunker Hill. Also available as a color print.