Manual Notice: 2009-1
From: David P. Hohmann, P.E.
Manual: Bridge Design Manual - LRFD
Effective Date: May 01, 2009
Purpose
This manual documents policy on bridge design in Texas. It assists Texas bridge designers in applying provisions documented in the AASHTO LRFD Bridge Design Specifications, to which designers should adhere unless directed otherwise by this document.
Changes
This manual revises policy on foundation load calculations; revises policy on live load deflection check; revises policy on use of empirical design method for slab design; updates prestressed concrete design criteria; revises debonding limits for prestressed concrete design; adds requirements for considering corrosion protection measures; clarifies policy on bearing pad design; revises policy on calculating live load distribution factors for double-tee beams; and corrects minor editorial errors.
This manual has been revised to be current with the AASHTO LRFD Bridge Design Specifications, 4th Edition (2007) and 2008 Interim Revisions.
This revision supersedes version 2008-1.
Contact
For more information about any portion of this manual, please contact the Design Section of the Bridge Division.
Archives
Past manual notices are available in a PDF archive.