Nine Decades of Innovation and Experience


Bridge Construction Projects

  • Bronco Bridge (I-25 over 17th Avenue)

    Bronco Bridge is a Value Engineered Construction Project which involved the Partnering of CDOT, Summit Engineering and Lawrence.

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  • Trinidad Viaduct

    Modified Design/Build I-25 between Van Buren and Main Street, Las Animas County Phases 1 & 2

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  • I-25 Railroad Overpass, Castle Rock, CO

    BNSF Railroad over I-25

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  • I-70 over Sand Creek Bridge Replacement

    This project consisted of the removal of two deficient structures and the construction of one single structured in phased construction. The I-70 bridge construction over the Sand Creek included roadway reconstruction, drainage improvements, retaining wall construction, lighting modifications and landscaping improvements.

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  • E-470 & I-70 Flyby Design Build, and Ramp H

    This project began in August 2004, this design-build was completed on schedule and within budget with the most important feature being increased traffic safety and efficiency for mainline E-470 traffic to cross I-70, and for E-470 traffic traveling northbound on E-470 to westbound I-70.

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