Waldo Library has just received the 2009 edition of the ACI Manual of Concrete Practice (6 volume set, plus index). It is located in our Science Reference collection at call number TA 439 .A358 2009, on the lower level of Waldo Library and may not be checked out.
You can read a brief description of the contents here.
In addition, we now have the AASHTO LRFD Bridge Design Specifications (2007 edition with 2008 interim revisions). This is also located in Science Reference at call number TG 310 .A52 2007. This book is accompanied by two CD-ROMS, that may be checked for seven days from the Access Services desk on the first floor.