Site work and renovation of a bridge / tunnel in Rhododendron, Oregon. Design plans call for site work for a bridge / tunnel; and for the renovation of a bridge / tunnel.

As of October 6, 2025, design team identified. Engineering in 2025, ROW in 2026. Construction in 2027. This is a project to replace two existing culverts, a 40-inch diameter corrugated metal culvert and a 36-inch diameter concrete culvert, which convey Conway Creek under Aschoff Road. The 36-inch diameter concrete culvert is disjointed, undersized and the last downstream section has fallen off. The 40-inch diameter metal pipe is badly rusted, disjointed, and undersized. The narrow roadway and lack of road shoulder in the vicinity of the existing culverts has been an ongoing maintenance and safety issue. Aschoff Road serves approximately 53 residents and/or properties. Project Location: Rhododendron, Oregon just off of E Lolo Pass Road on Aschoff Road at Conway Creek. E. Project location: Rhododendron, OR F. Estimated cost of the associated project construction: $1,209,900 G. The scheduled bid-let date for the associated construction contract: March 2028 H. Estimated date for completion of the A&E and Related Services required under this RFP: March 30, 2028 I. Estimated range of costs for the A&E and Related Services required under this RFP: $475k to $525k *Project information has been obtained through a public state transportation improvement plan (STIP). A STIP is a financial schedule for short- and long-range projects which is updated regularly. Information listed in the STIP often evolves based on funding availability. The project details, including timeline and value, are subject to change. The content management team will continue to pursue additional details as they become available. Question Deadline 06/24/2025 Proposer Questions, RFP Protests, and Requests for Change: due via twhitley@clackamas.us