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I-76 Brush Reconstruction

Project Description

This project will reconstruct both directions of I-76 from mile marker (MM) 84.9 to MM 91.1 in Morgan County, which is essentially the stretch of the interstate from Fort Morgan to Brush. Crews will build or replace 13 bridges and one box culvert. The work will reconfigure two I-76 interchanges at State Highway (SH) 71 and Dodd Bridge Road to standard diamond interchanges. Also, all on- and off-ramps are to be lengthened for a safer transition onto and off of the interstate. The existing six miles of interstate roadway, shoulders, and ramps will be repaved with concrete. Long term drainage improvements will be made along the interstate in Brush.

This project is the first Responsible Acceleration of Maintenance and Partnerships (RAMP) project in northeast Colorado. The RAMP program is a way CDOT is changing how it budgets for and spends funds on transportation projects. By funding this multi-year project based on year of expenditure, rather than saving for the full amount of the project before it started, the RAMP program helped move this project forward three to five years after it had been shelved for more than 10 years.

Project Progress

Crews continue to make significant progress. The following are some major milestones of the project:

  • Overall, the project is 70 percent complete, including all paving and bridges on the westbound side, as well as demolition and reconstruction of the SH 71 bridge over I-76.
  • Over 95 percent of the project’s dirt work is complete. An estimated 475,000 cubic yards of embankment has been placed.
  • By the end of August 2014, all seven of the bridge decks for the second phase will have been completed.

Project Timeline

Concrete paving of the eastbound lanes will take place from late August through late September 2014. During October, crews will conduct striping and shoulder work, seeding of slopes, and installation of guardrail and bridge rail. Traffic on I-76 will remain in a “head-to-head” configuration in the westbound lanes until November 1, as crews complete the eastbound lanes of I-76. 

The first phase of the project, which ran from March to October 2013, included reconstruction and concrete paving of the westbound lanes of I-76, as well as construction of six new bridges and associated on- and off-ramps.

The project is scheduled for completion in December 2014.

Project Budget

$37.6 million
Contractor: Castle Rock Construction Co.

This project has a contracted cost of $39.6 million to Castle Rock Construction Co.

Project Contacts

CDOT Project Manager
Gale Siedenburg
gale.siedenburg@state.co.us

CDOT Media Contacts
Bob Wilson 
bob.j.wilson@state.co.us

Amy Ford

amy.ford@state.co.us

Project Hotline: 970-840-7090
Email: i76brush@publicinfoteam.com