Retaining Wall Improvements in Jefferson County

About the Project

This project will create both structural and aesthetic improvements to retaining walls adjacent to several roadway locations in Jefferson County. Work includes construction of a soil nail wall and sculpted concrete adjacent to I-70 Westbound at Mile Point (MP) 257, soil nail wall with sculpted concrete adjacent to CO 74 Westbound at MP 14, both a soil nail wall and new guardrail installation adjacent to US 285 Northbound at MP 247 and finally a soil nail wall and new concrete facing on C 470 Westbound at MP 14.5.

Project Benefits

• This project will improve both the safety of the roadways and the adjacent property as well as improve aesthetics of the retaining wall structures.
• The replacement of, and additional installation of guardrail on US 285 will improve safety along this segment of roadway.
• The improvements will be structural in nature to mitigate future impact to the driving surface and will also be finished to blend in with the surrounding landscape.

Work Schedule

• Work will last approximately three and a half month
• Working hours will vary by location, with CO 74 and C-470 occurring between 7 a.m. to 6 p.m., nightly work on I-70, and 9 a.m. to 9 p.m. on US 285

Traffic Impacts:

• Narrowed lanes and shoulder closures
• Nightly Lane closures on I-70 Westbound outside of commute timeframes
• Single lane closure on US 285 North outside of morning commute timeframes
• 4 Week Closure of the C-470 Trail and Columbine Trail where they meets just north of C-470, near the intersection of South Wadsworth Boulevard and C-470
• Refer to COtrip.org for real-time travel conditions and road closures