00014186_Att A_Plans.pdf

The document is a set of engineering design plans for the Oregon Department of Transportation's Major Bridge Maintenance project, specifically the Old Youngs Bay Pile and Pile Cap Repair Project located in Warrenton-Astoria, Oregon. The plans detail comprehensive technical specifications for bridge maintenance, including plan and elevation drawings for multiple bridge bents (structural support sections), pile splice details, friction collar designs, brace connections, and a traffic control detour plan. The project involves repairing and replacing existing timber and steel pile structures, with specific work items including pile cap replacements, steel pipe post connections, and implementing temporary support systems.

The design drawings are dated April 2025 with renewal dates through June 30, 2026, and include detailed technical specifications for construction sequencing, pile repair procedures, and material requirements. The project covers multiple bridge bents (Bents 5, 11, 13, 17, and 39), with precise engineering specifications for steel and timber pile repairs, including instructions for installing clamps, replacing pile caps, and managing existing structural elements. The traffic control detour plan indicates a full closure of the Old Youngs Bay Bridge, with alternative routing mapped out for Astoria and surrounding areas, suggesting minimal disruption to local transportation infrastructure during the repair process.