CO 145 / US 550 Deep Patch & Wall Repairs

About the Project

U.S. Highway 550, MP 90, two miles south of Ouray in Ouray County (10-foot width restriction will be in place at this location)
Work involves retaining wall removal and replacement of two failing roadway sections with a crib wall system; follow-up highway surface repair and installation of new inlet and drainage culvert
COMPLETE! (See Photo Gallery) Colorado Highway 145, mile point (MP) 24.5, about 12 miles north of Dolores in Montezuma County (10-foot width restriction will be in place at this location):
Work involves a ‘deep patch’ repair of the roadway and installation of a new rock buttress that provides slope stability underneath the roadway; guardrail replacement
COMPLETE! (See Photo Gallery) CO 145, MP 49, about three miles north of Rico in Dolores County
Work involves removing the existing retaining wall material below the edge of the roadway; installing micro-piling and concrete pile caps with new back-fill material to secure the slope; follow-up highway surface repair; guardrail replacement

Cost: $1.5 million
Contractor: Oldcastle SW Group, Inc.
Timeline: April - October 2020
Location: CO 145 (MP 24.5) north of Dolores; CO 145 (MP 49) north of Rico; US 550 (MP 90) south of Ouray

CO 145 US 550 Deep Patch Location

CO 145/US 550 Resurfacing and
Wall Repair Project Map

US 550 South of Ouray (MP 90): Late July into October 2020