120th Avenue Connection Final Phase

Project Facts

  • Cost: $90.1 million (the final phase costs approximately $30 million), funded by the City and County of Broomfield, the Federal Highway Administration and CDOT
  • Contractor: Jalisco International, Inc.
  • Timeline: July 2009 - September 2018
  • Location: The project extends along 120th Avenue from Wadsworth Parkway, across US 36 to approximately 120th Avenue and Teller Street, then down existing 120th to Main Street.

Crews are in the final phase of this project, for which they're building a new, six-lane portion of Colorado Highway 128 and a bridge over US 36 that connects with Wadsworth Boulevard. This will connect CO 128 and 120th Avenue.

Crews also are constructing a grade separation at the BNSF Railroad. Additionally, a storm sewer will be constructed from 120th/US 287 to Main Street.

April 2018 Progress
Crews have opened a new concrete portion of US 287 east of Upham Street for eastbound traffic. They're also completing caisson for the retaining wall, and will excavate beneath the rail road after the caisson work.

April 2018 at US 287
US 287 in April 2018

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Colorado: The Official State Web Portal