WY FLAP SHE 26(1) Red Grade Road Geotech Rpt FINAL Apr 2025.pdf

The document is a geotechnical report for the WY FLAP SHE 26(1) Red Grade Road project, associated with a pre-solicitation opportunity managed by the Department of Transportation Federal Highway Administration. The project aims to improve access to Bighorn National Forest and BLM lands by rehabilitating and realigning approximately 2.6 miles of Red Grade Road (County Road 26/USFS Route FSR 26), located between Wyoming State Highway 335 and US Highway 14.

The project is structured with two primary schedules: Schedule A covers 1.8 miles with major cut and retaining wall work, and Schedule B extends to 2.6 miles. An optional scope includes Aspen's Parking Lot rehabilitation. The roadway will be widened from 18 to 22 feet, with minor horizontal and vertical realignments to improve sight distance and geometry. The anticipated construction timeline is from May 2026 to November 2027, with a winter shutdown, and the work will be performed at an altitude between 7,000 and 8,000 feet. Principal work items include clearing and grubbing (33.80 acres) and roadway excavation (29,000 cubic yards).