The 2014 interim contains updated information for the AASHTO Guide Specifications for LRFD Seismic Bridge Design, 2nd Edition. It is necessary to have this and the 2012 interim revisions to have all current specification information.
AASHTO LRFDSEIS-2-I2
Original price was: $122.00.$61.00Current price is: $61.00.
2014 Interim Revisions, Guide Specifications for LRFD Seismic Bridge Design, 2nd Edition
American Association of State Highway and Transportation Officials , 2013