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Arapahoe Road Corridor Study

Arapahoe Road Corridor Study

DEA was selected to conduct the corridor study of Arapahoe Road, the major east-west travel link from southeast Denver to employment and retail centers along Interstate 25, including the Denver Tech Center.

Owner’s Representative for Sellwood Bridge Replacement

Owner’s Representative for Sellwood Bridge Replacement

In 2010, Multnomah County, Oregon selected DEA to be the owner’s representative on the project to replace the Sellwood Bridge, an aging, deteriorating bridge which connects the Sellwood and Westmoreland neighborhoods in South Portland to the west side of the Willamette River.

SR 520 Eastside Transit and HOV Fish Passage Improvements

SR 520 Eastside Transit and HOV Fish Passage Improvements

The SR 520 Eastside Transit and HOV project was a three-mile-long roadway improvement project designed to reduce transit and high occupancy vehicle (HOV) travel times. DEA led portions of the roadway, structures, and drainage design, and also provided survey, traffic control design, and utility design services.