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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

Pedestrian Bridge to be Installed at Night on September 10 and 11
Work on the new pedestrian bridge will take place over one week in September, requiring two overnight closures of I-70. There will be consecutive night closures of both eastbound and westbound I-70 on Wednesday, September 10, and Thursday, September 11, from 9 p.m. to 6 a.m. as crews install the pedestrian bridge over the interstate. A full detour will be in place. Motorists traveling westbound will exit at Wolcott to US 6, and those traveling eastbound will exit at Eagle to US 6. Please see the attached map for more information on this detour.

Motorists can expect delays in their commute through the project and should build extra time into their commutes.

Lane shifts are still in effect 24 hours a day. The dedicated right turn lane northbound on Eby Creek Road to get onto Chambers Avenue has been removed. Motorists needing to turn right will turn from the through lane. Additionally, eastbound Chambers Avenue has been reduced to one lane of traffic in each direction.

Normal work hours will be Monday through Friday from 7 a.m. to 7 p.m. with some night and weekend work.

Construction hours will be dependent on weather and work load. All business access will be maintained throughout the duration of the project.

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