The tunnel is 655-feet long and part of a 1.5 mile trail segment.
The tunnel is open for non-motorized users hiking and biking on the State Trail. It is reminiscent of the historic tunnel with five arched windows overlooking the Columbia River.
Features
- Five arched windows with expansive views of the Columbia River.
- Hand placed stone masonry wall.
- Stone masonry around the tunnel entrances.
- A plaza with picnic tables and overlook and expanded restroom at the westside trailhead.
- An overlook on the east side.
Milestones- May 2018: Open House where three alternative crossing designs were presented.
May 2018: The Advisory Committee recommended the 570-foot tunnel for the Mitchell Point Crossing.
June 2018: The Oregon Parks and Recreation Commission endorsed the design recommendation from the Historic Columbia River Advisory Committee.
Through 2020: Design continued on the preferred alternative
Spring 2021: Construction begins
Nov. 16, 2024: Mitchell Point Tunnel dedication
Funding ODOT received Federal Lands Access Program grant funds to design and rebuild the Mitchell Point Tunnel and connect the Historic Highway State Trail through a formidable mountain at Mitchell Point.
Team:
- Design consultant: WSP USA
- Construction prime contractor: Crestline Construction
- Project partners: ODOT, Oregon Parks and Recreation Department, Western Federal Lands | Federal Highway Administration, U.S. Forest Service, Travel Oregon and Friends of the Historic Columbia River Highway.