Zakim Bunker Hill Bridge

Zakim Bunker Hill Bridge

The Zakim Bridge is part of the Central Artery/Tunnel Project and carries 10-lanes of traffic over the Charles River in Boston, MA. The bridge is unique among cable-stayed structures in several aspects. Its cable arrangement, slender inverted Y towers, and a two-lane...
Chelsea Street Bridge Replacement

Chelsea Street Bridge Replacement

Chelsea Street Bridge is a 450-ft span 225-ft tall Vertical Lift Bridge. The bridge replaced the previous structurally deficient, functionally obsolete, through truss drawbridge at this location which accommodated only a 95-ft channel clearance which was barely...