rosales + partners

Leonard P. Zakim Bunker Hill Bridge

  • Location: Boston, MA
  • Type: Asymmetrical Cable-Stayed
  • Services: Preliminary Design and Community Participation
  • Cost: $115 Million
  • Completion: 2003
  • Client: MassDOT
  • Project Notes

    x Close Notes

    A part of the Central Artery/Tunnel Project, the Leonard P. Zakim Bridge is the widest cable-stayed bridge in the world and the only asymmetrical cable-stayed bridge in the United States. The 1,475' (449.5m) structure features twin inverted Y-shaped towers and a 745' (227m) main span. The bridge carries ten lanes of traffic: eight interstate lanes passing through the towers and two local traffic lanes cantilevered off the east side, outside the towers. The towers recall the shape of the historic Bunker Hill Monument in neighboring Charlestown, while the bridge's overall form echoes the shape of the sailboats that navigate the inner Charles River Basin and Boston Harbor. The bridge is a striking addition to the Boston skyline and a new symbol of the city.

    Firms involved in the completion of this project include:

    Architect: Miguel Rosales AIA*
    Engineers: Christian Menn (Conceptual Design)
    Parsons Brinckerhoff (Preliminary Design)
    HNTB (Final Design)

    * Contributions by Miguel Rosales as part of a consultant team, prior to the formation of Rosales + Partners

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