JSE has the unique ability to provide both experienced design engineers and construction engineers to deliver services for Design Build projects. JSE has led the design efforts and provided construction engineering services for numerous D/B projects throughout the U.S. Our D/B experience includes many large, complex projects including those with multiple pre-stressed and post-tensioned concrete bridges, open-spandrel arch bridges, and numerous Interstate reconstruction projects. The strong interface between our road designers, bridge designers and construction engineers has made JSE standout from our competition. We specialize in providing D/B services for large scale interchanges, new roadway alignments, and complex bridge structures. The JSE team is one of the best in the industry at quickly providing accurate design calculations and buildable construction drawings, which are so critical in design-build projects.