6Th International Conference on Bridge Maintenance, Safety and Management, Iabmas 2012, Date: 8 July 2012 through 12 July 2012, Location: Stresa, Lake Maggiore, Sponsors: Am. Assoc. State Highw. Transp. Off. (AASHTO);American Concrete Institute (ACI);Ital. Assoc. Reinf. Prestress. Concr. (AICAP);Association of Offshore and Marine Engineering (AIOM)