The 2009 interim contains replacement pages for the AASHTO LRFD Bridge Design Specifications, 4th Edition, Customary U.S. Units, 2007. There is no 2009 SI Interim as per a decision made by the AASHTO Highway Subcommittee on Bridges and Structures. The 2009 U.S. Interim is necessary to have all current specification information.CD-ROM is included with purchase of “Looseleaf/CD” format
AASHTO LRFDUS-4-I2
Original price was: $150.00.$75.00Current price is: $75.00.
AASHTO LRFD Bridge Design Specifications, Customary U.S. Units, 4th Edition, 2009 Interim Revisions
American Association of State Highway and Transportation Officials , 2009