DESCRIPTION

  • Phase 1 construction for the widening of E-470 mainline from the bridge structures over Cherry Creek to Quincy Avenue is approximately 8 miles in length.
  • Phase 1 widening was completed in January of 2018.
  • The roadway embankment template was widened to the ultimate configuration with the 3rd and future 4th lane added and paved in each direction
  • Nine bridge structures were widened to the ultimate configuration, 4 lanes in each direction.
  • Phase 2 is currently being constructed with completion anticipated by April of 2021.
  • Phase 2 includes approximately 8 additional miles of alignment from Quincy Avenue through the I-70 interchange terminating on the north side of Smith Road.
  • This phase of the project includes the widening of 14 bridge structures and the extension of 2 major box culverts.

PROJECT DETAILS

Categories:
Location: Douglas County and Arapahoe County, Colorado

SERVICES PROVIDED

  • Geotechnical Engineering and Pavement Design
  • Construction Materials Testing

ADDITIONAL PROJECTS

All Projects
Health Care/Senior Living
Transportation/Infrastructure
Water/Natural Resources
  • Roxborough Water Treatment Plant
    Roxborough Water Treatment Plant
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  • One Belleview Station
    One Belleview Station
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  • Colorado State University Multi-Use Stadium Kumar & Associates
    Colorado State University Multi-Use Stadium
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  • Wind Crest Retirement Community
    Wind Crest Retirement Community
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  • Mrachek Middle School
    Mrachek Middle School Replacement
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  • Carla Madison Recreation Center
    Carla Madison Recreation Center
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  • Children's Hospital Colorado
    Children's Hospital Colorado
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  • Regional Transportation District - Oversight Verification Testing and Quality Assurance
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  • Hanover Broadway
    Hanover Broadway
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  • Chatfield Reservoir Reallocation
    Chatfield Reservoir Reallocation
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