4th Ave S Over ARGO Bridge Repair

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.

Project Details

• Reference ID: PW#2024-017
• Department: Public Works
• Department Head: Mark Nakagawara (Deputy Division Director)

Important Dates

• Pre-Proposal Meeting: 2026-07-16T18:00:00.000Z — 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

Evaluation Criteria

• 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.

• Important Instructions for Electronic Submittals —

  The City of Seattle is accepting electronic bid submissions. Bidders shall create a FREE account with OpenGov Procurement by signing up at https://procurement.opengov.com/signup. Once you have completed account registration, browse back to this page, click on "Draft Response", and follow the instructions to submit the electronic bid.

• 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

• Scope of Work or Project Details —

  Please see the Attachments section for specifications and attachments.

• Project Contact —

  Kevin Foun

  Project Engineer

  700 5th Ave

  Seattle, WA 98104

  Email: kevin.foun@seattle.gov

  Phone: (206) 561-4312

• Procurement Contact —

  Ian Hernandez

  Sr. Construction Contracting Specialist

  700 5th Ave, Ste 4350

  Seattle, WA 98104

  Email: ian.hernandez@seattle.gov

  Phone: (206) 684-0128

Submission Requirements

• Proposal Submittal (required) —

  Please upload your complete proposal response excluding pricing.

  • Bidder is responsible for integrity of the file to be uploaded
  • Verification of uploaded file integrity can be confirmed by clicking on the upload file.
• Bid Forms (required) —

  Please upload a PDF of the forms provided by the Owner that must be submitted with the Bid.

  Please upload a SINGLE PDF.

  • Bidder is responsible for integrity of the file to be uploaded
  • Verification of uploaded file integrity can be confirmed by clicking on the upload file.
• Bid Guarantee (required) —

  Please upload an electronic scan of your Bid Bond or Cashier's Check. 

  • Bidder is responsible for integrity of the file to be uploaded
  • Verification of uploaded file integrity can be confirmed by clicking on the upload file.
• Will this solicitation be awarded based on Evaluation Criteria/Committee? (required)