AASHTO publishes the standard specification for bridges and other road structures. It can be purchased at https://bookstore.transportation.org/item_details.aspx

AASHTO publishes the standard specification for bridges and other road structures. It can be purchased at https://bookstore.transportation.org/item_details.aspx?ID=2211 https://bookstore.transportation.org/item_details.aspx?ID=22... "The AASHTO LRFD Bridge Design Specifications are intended for use in the design, evaluation, and rehabilitation of bridges, and are mandated by the Federal Highway Administration for use on all bridges using federal funding." It is over 2000 pages long without errata. It is updated yearly with major updates less frequently.