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Parsons Brinckerhoff to manage Long Beach road bridge project

Multi-disciplinary consultancy, Parsons Brinckerhoff (PB), has been selected by the Port of Long Beach, in California, to provide program management and construction management services for the US$950 million replacement of the Gerald Desmond Bridge. The company will be responsible for all program and construction management, traffic engineering, utilities coordination, specialty materials testing, submittals management, surveying, community outreach, project controls and document control, cost estimating and scheduling, funding and grants support.

Construction work for the new cable-stayed bridge is expected to start in early 2013, approximately 48 years after ground was broken for the original through-arch bridge. The existing Gerald Desmond Bridge, which connects the Port of Long Beach and the city’s downtown business district, was not designed to manage the traffic load that it now carries. The new bridge will be wider, with emergency lanes, and have a higher clearance for cargo ships.

The new bridge, which is being built under a design-build contract, will be the first cable-stayed vehicular bridge in the state of California, with 61m (200 feet) of vertical clearance, 14m (45 feet) more than the original structure. It will feature two towers approximately 152m (500 feet) high and will be 610m (2,000 feet) long, with the main span approximately 305m (1,000 feet) from tower to tower. Construction will include new approaches, ramps and connectors to Ocean Boulevard and the I-710 Long Beach Freeway. Once the new bridge is completed, the existing structure will be demolished.

May 14, 2012

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