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Columbia River Crossing
DEA led the national consulting team that provided transportation planning, traffic highway and bridge engineering, and public involvement for the corridor study of Interstate 5 between Portland, Ore., and Vancouver, Wash.
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Airport MAX
The 5.5-mile light rail extension added four new station platforms to the route, a new 500-foot bridge over Interstate 205, and a new pedestrian bridge.
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Broadway Bridge Rehabilitation
DEA provided full preliminary engineering and construction engineering assistance for the rehabilitation of the 90-year-old Broadway Bridge in Portland, Ore.
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Crissey Field State Park and Welcome Center
Crissey Field is a new 40-acre beachfront park between the Pacific coast highway 101 and the ocean beach, south of Brookings, Ore., The center was carefully designed to fit into the natural landscape and incorporates many sustainable design features.
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