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
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Description
Abstract: Construction Solicitation KC001512,1
Title Boise X Connection #3055A Bridge Replacement
Solicitation Type Construction Solicitation
Status Amended
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 1 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-addendum-1.pdf (168.06 KB)
KC001512-itb-docs.zip (37.63 MB)
Open Date 10/10/25 10:46:53 AM
Close Date 10/21/25 01:30:59 PM
Posting Date 10/10/25
Additional Information
KC Solicitation NAICS Code(s) 237310
Small Business Requirements Apply? Yes
Department LOCAL SERVICES
Division ROADS
O K
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