AASHTO LRFD Bridge Design Specifications, Customary U.S. Units, 4th Edition, 2008 Interim Revisions Amendment by American Association of State and Highway Transportation Officials, 01/01/2008
The 2008 interim contains replacement pages to AASHTO LRFD Bridge Design Specifications, 4th Edition, Customary U.S. Units, 2007. The 2008 U.S. Interim is necessary to have all current specification information.
