4th Ave S Over ARGO Bridge Repair

Location:	Washington
Posted:	Jul 1, 2026
Due:	Aug 5, 2026
Agency:	City of Seattle
Type of Government:	State & Local
Category:	Z - Maintenance, Repair or Alteration of Real Property
Solicitation No:	PW#2024-017
Publication URL:	To access bid details, please log in.

Project ID: PW#2024-017

Title: 4th Ave S Over ARGO Bridge Repair

Addenda: 0

Release Date: 7/1/2026

Due Date: 8/5/2026

Public Works

Project ID: PW#2024-017

Release Date: Wednesday, July 1, 2026

· Due Date: Wednesday, August 5, 2026 2:00pm

Posted Wednesday, July 1, 2026 12:00am

All dates & times in Pacific Time

Draft Response Events RSVP No Bid34 days, 19 hours, 54 minutes

Post Information

Posted At:Wed, Jul 1, 2026 12:00 AM
Sealed Bid Process:Yes (Bids Sealed / Pricing Sealed)
Private Bid:No

Overview

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 $7,000,000

Project Location: Industrial District along 4th Avenue South over the ARGO Yard; north of S Dawson St and south of S Industrial Way.

Timeline

Release Project Date:

July 1, 2026

Pre-Proposal Meeting (Non-Mandatory):

July 16, 2026, 11:00am

Join using the Microsoft Teams meeting link:
https://teams.microsoft.com/meet/258807910083528?p=FXdYjaiEnIrjGGqrfN
Join using the Microsoft Teams meeting number:
Meeting ID: 258 807 910 083 528, Passcode: cR3Cq7yP
Join by phone:
+1 206-686-8357, Phone conference ID: 579 089 565#
Join on a video conferencing device:
Tenant key: seattle@m.webex.com , Video ID: 113 129 509 2

Question Submission Deadline:

July 30, 2026, 5:00pm

Bid Open Date:

August 5, 2026, 2:00pm

4th Ave S Over ARGO Bridge Repair

See also