Project Information

Bid Title

Boise X Connection #3055A Bridge Replacement

Issuing Agency

King County

Location

Washington

Published Date

Oct 16, 2025

Closing Date

Oct 21, 2025

Government Level

State & Local

Status

Closed

Ref. #

KC001512

Original Source

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Bid Documents

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Project Description

	Abstract: Construction Solicitation KC001512,2
	Title Boise X Connection #3055A Bridge Replacement Solicitation Type Construction Solicitation Status Active Buyer Leeann Snyder Email 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

Commodity Codes

• NAICS 237310Highway, Street, and Bridge Construction

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