City of Seattle
4th Ave S Over ARGO Bridge Repair
PW#2024-017
Department
Public Works
Mark Nakagawara - Deputy Division Director
Summary
Project Description: This project rehabilitates the existing 4th Ave S over ARGO Bridge pier corbels using a 77 day full closure of the bridge. Work involves crack injection, concrete spall repair, Carbon Fiber Reinforced Polymer strengthening, partial demolition of select corbels, increasing the depth of the concrete overhangs using new reinforced concrete connected to the existing concrete using dowels, additional of external post-tensioning, and replacement of expansion joints. Temporary traffic control and channelization will be required. For the purpose of the Bidder/Subcontractor List, this project includes Rebar Installation and Structural Steel Installation.Engineer's Estimate: $6,700,000 to $7,000,000Project Location: Industrial District along 4th Avenue South over the ARGO Yard; north of S Dawson St and south of S Industrial Way.
Important Dates
Release Date
7/1/2026
Pre-Proposal Date
7/16/2026
Q&A Deadline
7/31/2026
Proposal Deadline
8/5/2026
Contact Information
Project Contact
Kevin Foun
Project Engineer
(206) 561-4312
700 5th Ave
Suite 4100
Seattle, WA 98104
Procurement Contact
Ian Hernandez
Sr. Construction Contracting Specialist
(206) 684-0128
700 5th Ave, Ste 4350
Seattle, WA 98104