Harry W. Nice Memorial/Thomas “Mac” Middleton Bridge Design-Build, Maryland Transportation Authority: CST currently serves as a subconsultant providing structural, traffic, and utility design support services on this design-build bridge replacement project. The firm’s structural engineering work efforts include the design of lane use signal (LUS) structures (bridge mounted and ground mounted), overhead sign structures, Dynamic Message Signs, an automated electronic toll gantry, and various maintenance platforms. CST is also responsible for the design of two virtual weigh stations and the lane use control signal system as well as the conduit a system that carries fiber cables across the bridge. Currently performing post design services for all elements designed including RFI’s, shop drawings, coordination with contractor, preparing FDC’s and NDC’s.