These specifications cover the design, evaluation, and rehabilitation of highway bridges. The design provisions of these specifications employ the Load and Resistance Factor Design (LRFD) ..... Read More
This manual presents uniform guidelines and procedures pertaining to the unique structural, mechanical, electrical, and operational characteristics of movable highway bridges. The manual was developed for ..... Read More
Information about the TRB cooperative research programs in highways, transit, airports, freight, and hazardous materials. In particular, the NCHRP is AASHTO’s research program and was developed to address the day to day research needs of state transportation departments.