Proceedings of the 2011 Structures Congress, held in Las Vegas, Nevada, April 14-16, 2011. Sponsored by the Structural Engineering Institute of ASCE. Structures Congress 2011 contains 276 papers on topics that are redefining structural engineering in transportation structures, buildings, strategies for today s global economy, and advances in research. Topics include: bridges buildings business and professional practice education energy structures and nonstructural components extreme loads forensics Las Vegas structures new research and novel applications nonbuilding structures special structures This collection, which includes papers from the CASE Spring Risk Management Convocation and the Forensic Specialty Track, will be useful to all structural engineers and allied professionals.