Thank you This live web event has ended. Thank you for attending. Contributors David J. Morrill, PE, SE David Morrill’s 36-year tenure at Alfred Benesch & Company encompasses leadership on countless structural and civil engineering assignments, in addition to his work fostering the talents of the Structural Group in Illinois. When David assumed the role of Structural Group Manager in 1995, the group consisted of less than 10 engineers. As he approached retirement, the group's size nearly tripled, utilizing the talents of 28 professionals ranging from junior staff to seasoned project managers. Jason Stith, PhD, PE, SE Jason Stith, PhD, PE, SE, obtained a Ph.D. in Structural Engineer from the University of Texas at Austin. He is a Bridge Technical Manager working for Michael Baker International in their Louisville, Kentucky office. To date he has made significant contributions to several major bridge projects touching every stage of a bridge’s life cycle (design, construction, inspection, and maintenance). Jixing He, PhD, PE, SE Jixing He, PhD, PE, SE, received his PhD in Structural Engineering from Illinois Institute of Technology in 1990. He is specialized in highway steel & concrete structures with over 30 years of experience in design, analysis and construction. He has designed several large, complicated, innovative and award-winning highway bridges. In recent years he has worked on four arch and cable-supported signature bridges in three states. LARSA LARSA is committed to providing the best structural engineering software and to accommodate each client's unique and changing engineering needs. In commercial use for over 25-years, LARSA's rock-solid analysis engine provides the latest in computing technology. LARSA's 4D BRIDGE SERIES software provides a unified 3D finite element environment for the analysis, design and rating of bridges without the need to purchase additional tools.