Boise X Connection #3055A Bridge Replacement

Agency:	King County
State:	Washington
Type of Government:	State & Local
NAICS Category:	237310 - Highway, Street, and Bridge Construction
Posted Date:	Oct 16, 2025
Due Date:	Oct 21, 2025
Solicitation No:	KC001512
Original Source:	Please Login to View Page
Contact information:	Please Login to View Page
Bid Documents:	Please Login to View Page

Abstract: Construction Solicitation KC001512,2

Title

Solicitation Type

Construction Solicitation

Status

Active

Buyer

Leeann Snyder

lsnyder@kingcounty.gov

Synopsis

This project provides for the improvement of Boise X Connection #3055A Bridge on SE Mud Mountain Road in King County by clearing and grubbing; installing erosion control measures; cofferdams, stream diversion pipe and dewatering system; constructing bridge and walls, removal of structures and obstructions; roadway excavation including haul; removal of existing bridge and wingwall; installing shoring; construction of geosynthetic reinforced soil wall; placement of streambed materials; precast bridge construction with UHPC shear keys; surfacing with crushed surfacing base course; paving with hot mix asphalt; installing beam guardrail; stream channel and site restoration; project temporary traffic control, and other work.

Addendum Description

Addendum 2 has been issued. Suppliers must acknowledge all addenda before submitting a response. If a supplier has already submitted a response, they MUST log into the E-Procurement Supplier Portal, acknowledge the addendum, and resubmit.

Attachments

KC001512-Reference-Documents.zip (16.26 MB)

KC001512-addendum-2-documents.zip (4.47 MB)

KC001512-itb-docs.zip (37.63 MB)

KC001512-addendum-1.pdf (168.06 KB)


Open Date	10/16/25 04:05:47 PM
Close Date	10/21/25 01:30:59 PM
Posting Date	10/16/25

Additional Information


KC Solicitation NAICS Code(s)	237310
Small Business Requirements Apply?	Yes


Department	LOCAL SERVICES
Division	ROADS

O K

* Disclaimer: This website provides information about bids, requests for proposals (RFPs), or requests for qualifications (RFQs) for convenience only and does not serve as an official public notice. Individuals who wish to respond to or inquire about bids, RFPs, or RFQs should contact the relevant government department directly.

Sign-up for a Free Trial, Government Bid Alerts

With Free Trial, you can:

You will have a full access to bids, website, and receive daily bid report via email and web.

Try One Week FREE Now

Boise X Connection #3055A Bridge Replacement

Sign-up for a Free Trial, Government Bid Alerts

See Also