This new edition encompasses current design methods used for steel railway bridges in both SI and Imperial (US Customary) units. It discusses the planning of railway bridges and the appropriate types of bridges based on planning considerations.

John F. Unsworth is a professional engineer (P. Eng.). Since completion of a B.Eng. in Civil Engineering and M.Eng. in Structural Engineering, he has held Professional Engineering and Management positions concerning track, bridge and structures maintenance, design and construction at Canadian Pacific Railway.

He is a former President of the American Railway Engineering and Maintenance-of-way Association (AREMA) and has served as Chairman of AREMA Committee 15 - Steel Structures. He currently serves as an emeritus member of AREMA Committee 15. In addition, he is the current Chair of the Association of American Railroads (AAR) Bridge Research Advisory Group and is a former member of the National Academy of Sciences Transportation Research Board (TRB) Steel Bridges Committee. He is also a member of the Canadian Society for Civil Engineering (CSCE), American Society of Civil Engineers (ASCE), American Institute of Steel Construction (AISC) and International Association of Bridge and Structural Engineers (IABSE). He is a licensed Professional Engineer in six Canadian Provinces.

He has written papers and presented at AREMA Annual Technical Conferences, the International Conference on Arch Bridges, TRB Annual Meetings, CSCE Bridge Conferences, the ASCE Structures Congress and the International Bridge Conference (IBC). He has also contributed to the fifth edition of the Structural Steel Designer's Handbook and the International Heavy Haul Association (IHHA) Best Practices books.

History and Development of Steel Railway Bridges. Steel for Modern Railway Bridges. Planning and Preliminary Design of Modern Railway Bridges. Loads and Forces on Steel Railway Bridges. Structural Analysis and Design of Steel Railway Bridges. Design of Axial Force Steel Members. Design of Flexural Steel Members. Design of Steel Members for Combined Forces. Design of Connections for Steel Members. Index.