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I-70 Eagle Interchange Project

Existing Roundabout

Project Overview

In July 2013, the Colorado Department of Transportation (CDOT) and the Town of Eagle partnered on a safety and mobility project in Eagle on Eby Creek Road from Market Street to US 6. The project will upgrade Eby Creek Road and the I-70 access ramps, which have heavy residential, commercial and commuter traffic. The goal of the project is to improve the corridor for both motorists and pedestrians.

The project is scheduled for completion by mid-December 2014. Five roundabouts—two at the I-70 exits, and one each at US 6, Chambers Avenue and Market Street—and a new pedestrian bridge will be constructed by the project’s end.

Flatiron Constructors Inc. of Firestone, Colo., was awarded the $15.2 million contract by CDOT. The project is funded in part by RAMP (Responsible Acceleration of Maintenance and Partnerships) and Colorado FASTER (Funding Advancements for Surface Transportation & Economic Recovery).

Project Benefits

As Eby Creek Road and I-70 access ramps have heavy residential, commercial and commuter traffic, the goal of the project is to improve safety and mobility for both motorists and pedestrians. The improvements are critical to the Eagle community because in the past several years, a large increase in population in the area has created traffic flow issues at the existing interchange, especially during rush hours.

Project Progress

To date, Phase 1 is 80 percent complete and Phase 2 is 30 percent complete. Crews reached a major milestone in mid-June when they poured the deck as part of widening the bridge over Eagle River. The concrete has cured and traffic has been switched onto the widened portion, marking the beginning of the next phase of work and another milestone met.

Construction on the retaining walls is well ahead of schedule. The walls at the US 6 intersection are now the focus of work. Some activity has started at Market Street and Eby Creek Road, and work on that intersection will happen intermittently as time and project workload permit.

Landscaping is the last aspect to be completed on the roundabouts at the I-70 exits, which are both functional. Work has begun on the feature wall on the south I-70 roundabout, and will boast a “Town of Eagle” sign. The roundabouts at Market Street and US 6 are 10 percent complete and the Chambers Avenue roundabout is now 25 percent complete.

Pedestrian Bridge Update

The pedestrian bridge was scheduled to be assembled and installed in late July. After reevaluating the original pedestrian bridge design, the project team has decided that it will be more efficient to move the construction of the bridge to the end of September. The bridge will be transported through the mountains in four separate pre-fabricated pieces, allowing for a faster assembly and at a lesser cost to taxpayers.

Traffic Impacts

Work scheduled for 2014 is completed on the I-70 bridge improvements project, located in the Eagle Vail area of Eagle County. A traffic crossover was constructed in the median near mile marker 168 in order to divert traffic while the bridge is under repair in the spring of 2015.

Reinforcement work was also conducted in the Eagle River adjacent to US 6. All work will be paused on this project until January 5, 2015. At that time, micro piling work in the Eagle River will resume, with only US 6 at mile marker 172 to be impacted. This work is scheduled to be complete at the end of January, when the entire project will enter its winter shutdown phase until April 2015.

Construction is scheduled to restart in April 2015. At that time, the temporary crossovers will be utilized to enable bridgework.  During construction, work hours are scheduled from 7:00 a.m. to 7:00 p.m., Monday through Thursday and 7:00 a.m. to noon on Friday. Night and some off-season work is expected. Speeds will be reduced in the area and vehicles over 11 feet will be restricted. Boat ramp access to the Eagle River at the construction site will be temporarily inaccessible after the construction start date and bicyclists and pedestrians may expect intermittent delays on the bike path directly underneath the work zone for equipment access.

For a weekly lane closure report on this and other area projects, please click here.

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For more information about the project, please call the public information hotline at 970-432-7876 or email

Project Contacts

Project Information is available at:

Phone: 970.432.7876