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This document discusses recent developments in precast prestressed concrete bridges in Washington State. It outlines new WSDOT standard girder designs that provide longer spans and improved efficiency compared to older designs. Some key points include: - New WF-section girders can span up to 165 feet, longer than previous designs. - The new girders have a higher Guyon efficiency factor, meaning they perform better structurally. - WSDOT is using precast substructure elements more often to speed construct

Author
KY Peng
Language
EN

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