Waterton Road Extension Phase II

Douglas County, CO

Two and four-lane roadway construction with multiple bridges to improve capacity, safety, and reliability

Located in Douglas County, CO, the Waterton Road Extension Phase II project involved constructing over 2.5 miles of new two- and four-lane roadway with multiple bridges to enhance capacity and safety. Completed 44 days ahead of schedule, the project featured extensive bridge work, storm drainage improvements, and seamless coordination with area contractors to ensure timely delivery.

This public improvement project in Douglas County enhanced the local transportation network with new roadway and bridge construction designed to navigate environmentally sensitive areas. Through meticulous coordination, proactive communication, and efficient staging, the project was delivered under budget, ahead of schedule, and in full compliance with all specifications.

Client Douglas County
Type Transportation Infrastructure/ Roadway & Bridges
HEI Role General Contractor
Engineer Benesch
38,000 CY of aggregate base course placed for roadway; bridge work included 1,500 LF of steel piling and 371,000 lbs of reinforcing steel
48,500 tons of asphalt paving, 2,000 LF of prestressed concrete girders, 1,600 CY of cast-in-place concrete, and storm drainage improvements (8,000 LF of reinforced concrete pipe, 60 inlets, 54 manholes)

Built over 2.5 miles of new two- and four-lane roadway with multiple bridges

Constructed two three-span bridges at Willow Creek crossing

Installed major bridge components including steel piling, girders, and cast-in-place concrete

Integrated storm drainage with significant RCP pipe and inlets

Coordinated with multiple contractors in the area to avoid conflicts

Delivered project 44 days ahead of schedule