About Us

Shannon Smith LLC is a Civil Engineering firm whose expertise is in unique structural design through the latest CAD technologies.  We specialize in the Autodesk Infrastructure Design Suite and offer consulting advice as well as contracting services.


We specialize in bridge construction and reinforcement and are qualified for government contracts.


Owner Shannon Smith is a Civil Engineer and when he isn’t enjoying time with his family or reading long novels, he busy at work as part owner of TRI Roofing located in Durham, NC.