This broadly recognized national standard to design and construct bridges has been revised to be consistent with its companion, the recently updated AASHTO LRFD Bridge Design Specifications. Among the revisions are improved testing and acceptance criteria, updated material references, and recommended guidelines for construction loads. Included in this electronic edition are the 2010, 2011, 2012, 2014, 2015 and 2016 Interim Revisions. Following each chapter the revisions are identified as well as linked throughout the entire book where available. See the "Interim Revisions 2010, 2011, 2012, 2014 2015 and 2016" sections for a complete list of changes to each section.