Denver Metro Essential Wall Repairs

About the Project

A bridge retaining wall repair project will take place at several locations across the Front Range. Locations include:

  • US 36 at Baseline Road in Boulder
  • I-70 and Washington Street in Denver
  • CO 83 and I-225 in Aurora
  • US 85 at C-470 flyover in Littleton

Construction will occur in phases with the first phase of work beginning along southbound US 85 to the C-470 flyover location in Littleton.

Work this Week for US 36 at Baseline Road in Boulder Work this Week for I-70 & Washington Street in Denver Work this Week for CO 83 & I-225 in Aurora Work this Week for US 85 at C-470 flyover in Littleton

Project Facts

  • Construction Cost: $1.88 million
  • Contractor: Ames Construction, Inc.
  • Timeline: July to November 2026
  • Location: CO 83, I-70, I-225, US 36, US 85
    • Nearest Towns/Cities: Aurora, Boulder, Denver and Littleton
    • Mile Point(s): MP 278
    • Counties: Arapahoe, Boulder and Denver


Project Benefits

  • These repairs will preserve essential retaining wall infrastructure and improve drainage at several locations across the Front Range
  • Addressing drainage issues that created a bump and a void in the roadway at locations like the US 85 southbound flyover to eastbound C-470 will provide motorists with a smoother and safer ride

Work Schedule

Daytime work hours range from 6 a.m. to 6 p.m., Monday through Friday.


Traffic Impacts

Motorists can expect the following impacts during the period of construction:

  • Motorists can expect lane width restrictions as well as shoulder closures at individual project locations
  • Drivers are urged to slow down, follow posted signage, maintain safe following distances, and use caution when traveling through work zones
  • Refer to COtrip.org for real-time travel conditions and road closures