I-70 B 1st Street & Grand Avenue - Construction Phase

Winter Shutdown

Dec. 2021 - Spring 2022

  • The I-70B project is now in winter shutdown.  The intersection is fully open during the planned winter shutdown and motorists are now driving on newly paved lanes in the final intersection configuration. Project restart is weather dependent and anticipated to be late February 2022 or early March.
  • There are a couple of areas within the project limits where the sidewalks will be completed upon the project's restart.

View the Virtual Public Meeting Presentation online.

I-70 B Project Virtual Engagement Presentation cover photo

Virtual Public Engagement Presentation for I-70 B at CO 340
and 1st Street in Grand Junction

Project Facts

  • Cost: $13.5 million
  • Contractor: United Companies 
  • Timeline: May 2021 - May 2022
  • Location: I-70 B Business loop where CO 340 intersects with First Street and Grand Avenue in Grand Junction

About the Project:

Reconstruction and realignment of I-70 B where CO 340 intersects with First Street and Grand Avenue in Grand Junction. Milling, paving, new waterline and storm drain will be installed. A pedestrian/bike path and ADA curb ramps also included in the project scope.

1st Street Grand Ave,

Work Schedule

  • will take place Monday-Friday, 7 a.m.-7 p.m.

Traffic Impacts

  • Just south of the project, West Main St. has the potential for a closure that will be communicated at a future date. Motorists can detour around this closure by accessing Spruce Street to West Rood Avenue.
  • I-70 B from Mulberry Street to Main Street will become one lane in each direction, 24-hours a day/seven days a week.
  • Access to businesses will remain open.
  • Alternate routes are advis