NCHRP Report 679
provides an evaluation of existing AASHTO LRFD Bridge Design Specifications
relevant to the use of high-strength reinforcing steel and other grades of reinforcing steel having no discernable yield plateau. The report also includes recommended language to the AASHTO LRFD Bridge Design Specifications,
Sections 3, 5 and 9 that specifically permits the use of high-strength reinforcing steel with specified yield strengths not greater than 100 ksi when the specific article permits it. The material in this report will be of immediate interest to bridge engineers.