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The cable stay design of the new bridge will allow the federal shipping channel to expand from 700 ft. to 1,000 ft. wide. The base of the bridge will also be raised to 230 ft., which is a 45-foot ...
The proposal called for a cable-stayed bridge with central support cables, similar to the Sunshine Skyway Bridge in St. Petersburg, Florida; [29] it would have a central span of 2,300 feet (700 m), twice that of the old bridge, and rise 213 feet (65 m), compared to the previous 185 feet (56 m).
The design proposed was an elevated viaduct consisting of reinforced concrete columns and precast concrete segment spans as seen in the illustration at right. The design criterion was that the new bridge should survive an 8.5 magnitude earthquake on any of several faults in the region (particularly the nearby San Andreas and Hayward faults).
In March 2019, TfL selected a vertical lift bridge design for the crossing, that if built would be the world's largest of its type. [14] [15] The route on the east would start at Durund's Wharf park and end between the original north and central alignments of the original proposal on the western bank.
The Morandi bridge in Italy’s port city of Genoa collapsed in August 2018 after heavy rainfall, killing 43 people.. When one of its main pylons fell mid-morning, it brought a section of road ...
The new bridge was to be built a few yards to the north of the existing bridge, connecting to the existing highway approaches of the New York State Thruway (I-87/I-287) on both river banks. [17] The New York State Thruway Authority (NYSTA) requested design proposals from four companies in 2012 and eventually received three project proposals.
In May 2012, the Long Beach Board of Harbor Commissioners approved Port of Long Beach staff's recommendation that the “best value” design-build proposal to replace the Gerald Desmond Bridge was submitted by the SFI joint venture team, comprising Shimmick Construction Company Inc., FCC Construction S.A. and Impregilo S.p.A., [13] and the ...
The bridge was redesigned in 2004 after the lowest bid for the project was $44 million. In May 2006, a final cable-stayed bridge design by Kansas City engineering and architectural firm HNTB was selected for the bridge. The $22 million bid included two 200-foot (61 m) towers and a clearance of 52 feet (16 m) above the river.
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