State Agencies

Highway Bridge Design Services for NY25 over I-495 Bridge Rehabilitation

 

Highway Bridge Design Services for NY25 over I-495 Bridge Rehabilitation

Riverhead, NY

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About this Project

FST provided Phases I-VI design services for the rehabilitation of the NY 25 over I-495 (Long Island Expressway) bridge in Riverhead NY.  Services performed included study and evaluation of design alternatives, preparation of Final Design Approval Document, and final design and preparation of PS&E documents for the preferred alternative.  Work included in-depth bridge inspection, survey and mapping, structural evaluation and vulnerability assessment, seismic retrofit, bridge rehabilitation design, MPT, drainage, and design of various highway safety appurtences. 

More Information

Client: NYS Department of Transportation Region 10