Tumalo Reservoir Rd: O.B. Riley Rd to Sisemore Rd Improvement Project

NEWS

This Project is currently in the Preliminary Engineering phase. Design is anticipated to be complete in December 2024. Design is anticipated to be complete in June 2025.

Questions and comments regarding the project can be submitted using the “Questions and Comments” feature below.

PURPOSE AND NEED

Tumalo Reservoir Road is located southwest of Tumalo and spans from O.B. Riley Road to Sisemore Road near Tumalo Reservoir. The existing pavement width ranges from 22 to 25 feet and has a Pavement Condition Index (PCI) ranging from 74 to 79 out of 100. The existing pavement has poor ride quality and is exhibiting significant shoulder deterioration. The roadway also lacks adequate width to accommodate bicycle facilities. The segment between O.B. Riley Road and Bailey Road serves as part of the Twin Bridges Scenic Bikeway.

SCOPE OF WORK

The Project scope includes:

• Widening the roadway to accommodate paved bikeways
• Paving of Tumalo Reservoir Road between O.B. Riley Road and Sisemore Road
• Safety improvements – Roadside Barriers, Signing, Striping and Delineation
• Removal of roadside obstructions

ESTIMATED COST AND SCHEDULE

The current estimated project cost is $5.4 million.

Anticipated project schedule:

• Preliminary Engineering:       December 2023 – June 2025
• Right-of-Way:                        January 2025 - August 2025
• Construction:                         September 2025 – June 2026

COMMENTS AND QUESTIONS