AASHTO LRFR-1-M

This manual, formerly known as Manual for Condition Evaluation and Load and Resistance Factor Rating (LRFR) of Highway Bridges, serves as a standard and provides uniformity in procedures and policies for determining physical condition, maintenance needs, and load capacity of the nation?s highway bridges. It has been developed to assist bridge owners in establishing inspection procedures and evaluation practices that meet the National Bridge Inspection Standards (NBIS).