BART Aerial Structure, Pittsburg/Antioch Extension
Contra Costa County, CA

BART Aerial Structure, Pittsburg/Antioch Extension
Bay Area Rapid Transit District, Contra Costa County, CA

Provided structural design for a 3,000-foot-long two-cell cut-and-cover tunnel subway structure, grade separation, counterfort retaining walls, as well as the independent design review of the 640-foot-long aerial structure at Kinne Boulevard.