Dongzhou Huang, Ph.D., P.E., is Chief Engineer of Atkins North America and President of American Bridge Engineering Consultants, and has been a professor and visiting professor at Tongji University, Fuzhou University, and Florida International University for more than 20 years. He has been engaged in bridge engineering for over 40 years and has published numerous papers and books on bridge design, dynamic and stability analysis, practical analysis methods, and capacity evaluations of different types of bridges, including box girder, curved girder, cable-stayed, truss, and arch bridges. He has been extensively involved in the design, analysis, and construction of different types of long span and complex bridges, including span-by-span constructed, precast and cast-in-place cantilever segmental bridges, cable-stayed bridges, and arch bridges. He is an editor/board member of Journal of Structural Engineering International, IABSE and former associate editor of Journal of Bridge Engineering, ASCE. Bo Hu, Ph.D., P.E., P.Eng., is an associate technical director in the Edmonton office of COWI. He obtained his Ph.D. in civil engineering from the University of Delaware in 2006. He has been engaged in bridge engineering for 20 years with research and design experiences in various bridge types, seismic behaviors of bridge structures, seismic design methodology for bridge structures, and development of innovative structures. He is a professional engineer in the United States and Canada and has been playing leading technical and project roles in a variety of large bridge projects in North America, including segmental concrete girder bridges, extradosed concrete segmental bridges, and cable-stayed concrete segmental bridges.