100690 - SW 205th Avenue - Baseline to Quatama Improvements

The contract for the SW 205th Avenue Baseline to Quatama Improvements project in Washington County, Oregon, involves comprehensive roadway and infrastructure enhancements. Key components include temporary traffic and erosion control, earthwork, installation and modification of watermain, sanitary and storm sewer systems, construction and removal of bridges including the removal of Bridge #671327 and installation of a new multispan bridge. Additional work covers pavement removal, traffic signal installation and upgrades, illumination and interconnect systems, construction of aggregate base layers and asphalt concrete pavements, as well as concrete curbs, gutters, sidewalks, ramps, and permanent signing, striping, seeding, and landscaping. The project also requires construction of water quality facilities and retaining walls, adhering to detailed project specifications aligned with Oregon standards. The solicitation, issued by Washington County’s Department of Land Use & Transportation Capital Project Services (LUT-CPS) under bid number 2026.028-LUT CPS, was posted on March 2, 2026, with a response deadline of March 18, 2026. The contract includes strict bidding requirements such as submission of a bid guaranty equal to 10% of the bid amount, and electronic disclosure of first-tier subcontractors shortly after bid opening. Technical documents accompanying the contract provide detailed construction plans, geotechnical foundation recommendations for bridge replacement, and compliance standards including APWA/ODOT specifications for watermain installation and utility coordination. The project demands close adherence to prevailing wage rates, material certifications, and safety and environmental controls. Successful bidders are required to execute performance and payment bonds. Communication and documentation management are facilitated via the County’s OpenGov Procurement Portal, with designated project contacts for technical and procurement inquiries.