I-25 COSMIX – Colorado Springs Metro Interstate Expansion Design-Build

Colorado Springs, CO

Completed one year ahead of schedule, this $143 million design-build project was located on I-25 through Colorado Springs from Bijou Street to North Academy Blvd. Construction on I-25 widened the highway to three lanes along this 12-mile stretch. Scope included 12 miles of roadway with 18 bridge structures, seven major drainage structures, 250,000 SF of retaining wall, and work over the UPRR and BNSF railroads. SEMA was the only contractor to deliver every additional required element necessitated by the project owner.

Owner Testimonial Letter – COSMIX


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