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Bridge Construction Project Lead, Seattle, WA 98113   (King County)

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Last Updated 06/17/2022 08:57 AM
Project Title

SR 520/I-5 to Montlake I/C and Bridge Replacement Project
Physical Address View project details and contacts
City, State (County) Seattle, WA 98113   (King County)
Category(s) Heavy and Highway
Sub-Category(s) Bridge
Contracting Method Competitive Bids.
Project Status Pre-Solicitation, Bidding Expected January 2023, Construction Start Expected first quarter 2024
Bids Due View project details and contacts
Estimated Value $725,000,000 to $775,000,000
Plans Available from
Owner View project details and contacts
Architect View project details and contacts
Description

Project Overview The SR 520/I-5 to Montlake Interchange and Bridge Replacement Project (i.e. the Portage Bay Bridge and Roanoke Lid Project) is the third of four large projects remaining in the SR 520 Bridge Replacement and HOV Program, a two-decade, multibillion dollar investment in the regional transportation system enhancing the connection from Seattle to Bellevue and Interstate 405
Details

Bridge, New Construction.
Division 01 - General Requirements, Vehicular Access and Parking, Traffic Control, Temporary Barriers and Enclosures.
Division 03 - Concrete, Concrete Reinforcing, Precast Structural Concrete.
Division 05 - Metals, Structural Steel Framing, Structural Steel for Bridges, Steel Joist Framing, Steel Joist Girder Framing.
Division 07 - Thermal and Moisture Protection, Expansion Control.
Division 09 - Finishes, High-Performance Coatings.
Division 10 - Specialties, Signage, Traffic Signage.
Division 26 - Electrical, Exterior Lighting, Lighting Poles and Standards, Roadway Lighting.
Division 31 - Earthwork, Embankments, Erosion and Sedimentation Controls, Slope Protection, Gabions, Riprap, Special Foundations and Load-Bearing Elements, Driven Piles.
Division 32 - Exterior Improvements, Bases, Ballasts, and Paving, Flexible Paving, Rigid Paving, Fences and Gates, Retaining Walls.
Division 34 - Transportation, Bridges.
Bidder's List View project details and contacts
Prospective Bidders View project details and contacts
Project Documents
 Engineered Spec Sheet
 Architectural Plans
 Other Documents