TRB’s National Cooperative Highway Research Program (NCHRP) Report 595, Application of the LRFD Bridge Design Specifications to High-Strength Structural Concrete: Flexure and Compression Provisions explores recommended revisions to the American Association of State Highway and Transportation Officials’ Load and Resistance Factor Design (LRFD) Bridge Design Specifications to extend the applicability of the flexural and compression design provisions for reinforced and prestressed concrete members to concrete strengths greater than 10 ksi.