CDOT 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 3.5 month
- Working hours will vary by location, with CO 74 & C-470 occurring between 7 a.m. to 6 p.m., nightly work on I-70, and 9am to 9pm 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 Blvd. and C-470
- Refer to COtrip.org for real-time travel conditions and road closures
Work this Week & Lane Closures
I-70 Westbound, Golden
Work this Week & Lane Closures
CO 74 Westbound, Idledale
Work this Week & Lane Closures
US 285 Northbound, Morrison
Work this Week & Lane Closures
C-470 Westbound, Littleton
Project Facts
- Construction Cost: $2.9 Million
- Contractor: Harrison Western Construction Corporation
- Timeline: June through December 2023
- Location: I-70
- Nearest Town/City: Golden
- Mile Point(s): 257
- County: Jefferson
- Location: CO-74 Westbound
- Nearest Town/City: Idledale
- Mile Point(s): 14
- Location: US 285 Eastbound
- Nearest Town/City: Morrison
- Mile Point(s): 247
- County: Jefferson
- Location: C-470 Westbound
- Nearest Town/City: Littleton
- Mile Point(s): 14.5
- County: Jefferson
