“”SEA has been providing structural design of highway structures including bridges, retaining walls, sound walls, and the design of prestress beds for highway beams. SEA has become a highly respected firm in the area of bridge design. As a specialist in the design of bridges, from simple span bridges to structural steel bridges for interchanges, along with developing innovative new bridge beam sections, SEA is able to meet the needs of our clients in the transportation arena, from design through construction.””