Albany, New York
Print Case Study
Fahs Rolston Paving Corp.
June 28, 2004
As part of the New York State Department of Transportation’s I-90 renovation in Albany, NY, a CON/SPAN® precast bridge system was chosen to replace an existing triple-span steel girder bridge that carried six lanes of interstate traffic. It was critical that the chosen structure meet an aggressive installation schedule and be a cost-effective solution.
“This system offered the best solution for this site,” said Tom Willetts, squad leader for Structures Design and Construction Division of the NYSDOT. “It allowed all six lanes of a major interstate to remain open during construction. Construction of the foundation and pedestal walls was completed and the CON/SPAN® units were set under the existing I-90 bridge without major disruption to traffic flow on Anderson Drive.”
Eliminating road closure time was a major factor in the selection process of the structure. Castin- place pedestal walls were first constructed and then backfilled. Each 20-ton CON/SPAN® unit was lifted using a fork truck with custom rigging and then slid into place with less than a foot of clearance from the existing steel girders.
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