Roadways & Bridges

From massive interstate expansions to complex bridge replacements, Clark and its civil subsidiary companies have been building and improving America’s transportation infrastructure for over eight decades. Our capabilities as a full-service contractor, coupled with our experience with a variety of alternative delivery methods, enable us to successfully deliver even the most complicated civil projects.
From I-495 in Washington, D.C., to I-405 in Los Angeles, our civil construction teams are paving the way for faster and safer commuting.
Grade Separations
Roadways & Interchanges
Site Development


Gregory Smith

Division President, Shirley Contracting

Bob Adams

Senior Vice President, Atkinson Construction