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Jackson Street Storm Drain System

The Jackson Street Storm Drain Project will provide a critical link between the lower and upper Montclair Basin system for managing stormwater and offer improved flood protection for residents and businesses in the project area between Colfax and 12th Avenues, from Jackson to Albion Streets.

 

The Montclair Drainage Basin is over nine square miles and is Denver’s largest drainage basin without an open waterway. The result is significant, persistent flooding problems for homes and businesses during heavy rainstorms and other storm events. Rain that falls in the drainage basin becomes storm runoff that flows in a northwesterly direction, ultimately draining into the South Platte River.

The Montclair Basin has been identified as a priority basin for storm drainage and water quality improvements. The expanded and improved Jackson Street Storm Drain System will ultimately provide additional capacity for the upstream area around Hale Parkway. 

Construction Updates
Week of July 6, 2020

  • Please note that despite the construction at Colfax and Jackson Street, businesses including Tough Mudder Bootcamp, Bishops Haircuts, Cricket Wireless and Chick-fil-A are accessible both by car and by foot. The combination of the pandemic and construction in the area makes it more important than ever to consider supporting local businesses.
  • Due to a variety of unforeseen events including heavy storms and the impacts of COVID-19, construction will continue in the westbound lanes of E. Colfax Avenue until early August. The resulting adjustments to the construction timeline are at the bottom of this project web page. 
  • Water lines in the project area were temporarily moved early in the construction process to provide construction access. Restoration of water line locations for businesses and residences in the project area will occur in the coming weeks. Impacted property owners will be notified directly once the schedule is finalized.
  • The existing traffic plan will remain in place into August 2020 as follows:
    • Intermittent closures of the far right lane of southbound Colorado Boulevard will occur between E. 16th and E. Colfax Avenues to accommodate truck staging for hauling material from the construction site.
    • The westbound lanes of E. Colfax Avenue around Jackson Street will remain closed. The eastbound lanes of E. Colfax Avenue will remain open and adjusted during this time to provide one eastbound and one westbound lane for traffic.
  • Please note that vehicles traveling westbound on E. Colfax Avenue are able to turn right on northbound. Businesses in the project area are open during construction.
  • The sidewalk on the north side of E. Colfax Avenue around the intersection at Jackson Street is closed.
  • Access to NJH has been temporarily relocated from E. Colfax Avenue to 14th Avenue.
  • Construction is also underway on the NJH's new Center for Outpatient Health on the northwestern most section of the former patient parking lot, situated at E. Colfax Avenue, between Jackson and Garfield Streets. For more information about this project, please visit https://nationaljewish.org/center-for-outpatient-health/overview.

*To sign up to receive weekly construction updates, email us at ccd.constructionupdates@gmail.com.

 

 

Jackson Street project area shown in green

 

Overview of Construction Timeline & Traffic Impacts

The construction timeline has been adjusted to reflect the extra time needed for construction across E. Colfax Avenue due to May storm events and the impacts of COVID-19.

Early January 2020 - Early August 2020 (7 months)

Construction in westbound lanes of E. Colfax Avenue at Jackson Street

  • During this phase of construction, the westbound lanes of E. Colfax Avenue around Jackson Street will be closed, while the eastbound lanes of E. Colfax will remain open and adjusted to provide one eastbound and one westbound lane for traffic.
  • Access to Jackson Street from E. Colfax will not be open to vehicles during work in westbound lanes of E. Colfax.

August 2020 - Mid-October 2020 (2-3 months)

Construction in eastbound lanes of E. Colfax Avenue at Jackson Street

  • The westbound lanes of E. Colfax will be reopened and adjusted to provide one lane of traffic in each direction.
  • Access to Jackson Street from E. Colfax will reopen.
  • The traffic plan on E. Colfax will “flip” for pipe installation to begin in the eastbound lanes of E. Colfax Avenue around Jackson Street and the eastbound lanes will be closed.

January 6, 2020 - November 2020 (10 months)

  • North end of Jackson ROW/NJH parking lot (Driveway to Circle Entrance)

November 2020 - April 2021 (5 months)

South end of Jackson ROW/NJH parking lot (Circle Entrance into E. 14th Avenue)

  • Access to NJH will move back to E. Colfax from the temporary location on E. 14th
  • Access will be provided to the loading dock

November 2020 - June 2021 (7 months)

South end of Jackson ROW/NJH parking lot (Circle Entrance into E. 14th Avenue)

  • Full lane closures will be required on E. 14th Avenue in the area around Garfield, Jackson and Harrison Streets during the final phase of the project to ensure the safety of the construction crews as they install the new pipe.
  • Detours will be put in place during this phase of construction

Schedules are subject to change based on weather and other factors.

two DOTI employees post standing inside 126-inch stormwater pipe 

March 2020

This large, 126-inch stormwater pipe will provide additional capacity for water to flow and reduce flood risks in the area.

 
Project Status: Construction Beginning

Work for Phase 1 of the project began in January 2020 on the north side of Jackson Street across E. Colfax Avenue, continuing through the parking lot at National Jewish Health, then eastward one half block on E. 14th Avenue toward Harrison Street. Work is expected to continue through Spring 2021.

There will be future design and construction for Phase 2, which will connect on the east side of Colorado Boulevard at about Albion Street near Hale Parkway. 


Contacts

Project Hotline: 720-460-9055 (English & Español)

Email: ccd.constructionupdates@gmail.com

Ames Construction

Perry Lopez, on-site construction contact
303-995-2278‬
perrylopez@amesco.com

Rob Wise, Project Manager
RobWise@amesco.com

City and County of Denver

Terry Martin, Project Manager
Department of Transportation and Infrastructure, Infrastructure Project Management
Terry.Martin@denvergov.org