91ÊÓÆµ Staff//October 24, 2025//
A weekly compilation of the largest winning bids in the Pacific Northwest, according to the Daily Journal of Commerce Project Center.
1.
Winner (intent to award): Shinn Mechanical of Kent, Washington
Amount: $15,235,915
Project: South Treatment Plant (STP) Near Term Biogas Modifications (Renton, Washington)
Owner: King County
Cost estimate: $16,696,000
Project team: not available
2.
Winner (contract awarded): Granite Excavation of Eagle, Idaho
Amount: $10,151,988
Project: Linder Road, State Street (SH-44) to Floating Feather Road (Eagle, Idaho)
Owner: Ada County Highway District
Cost estimate: $12,400,000
Project team: not available
3.
Winner (contract awarded): LaRiviere Inc. of Rathdrum, Idaho
Amount: $8,657,718
Project: Ustick Road Ten Mile Road to Linder Road (Ada County, Idaho)
Owner: Ada County Highway District
Cost estimate: not available
Project team: not available
4.
Winner (intent to award): Rocky Mountain Construction of Klamath Falls
Amount: $2,194,172
Project: Merrill Safe Routes to School Project (Klamath County)
Owner: Oregon Department of Transportation
Cost estimate: not available
Project team: not available
5.
Winner (intent to award): Ferguson Waterworks of Redmond
Amount: $1,494,112
Project: 8, 12, 30 Inch DI Pipe for 2026 Projects (Springfield)
Owner: Springfield Utility Board – Water Engineering Department
Cost estimate: not available
Project team: not available
Do you want to be the winner of an upcoming Top Bidders project? Then join the 91ÊÓÆµ Project Center to find, track and bid on your next project. For a free tour, or more information on monthly and annual rates, contact Sharlene Richard at 503-802-7252 or [email protected].