Manual Notice: 2015-1
From: Gregg A. Freeby, P.E., Director, Bridge Division
Manual: Bridge Design Manual - LRFD
Effective Date: October 01, 2015
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.
Revisions to manual to conform to the 7th Edition of the AASHTO LRFD Bridge Design Specifications with Interims. Generally, revisions to manual to update information in Chapter 2 regarding vehicular collision force; add information in Chapter 3 regarding Spliced Precast Girders; add information for Spread Slab Beams; revised deck design and detailing; revised minimum number of I-girders per span; added straight strand with debonding designs for pretensioned I-girders; revised prestress losses; added information in Chapter 4 regarding Columns for Single Column Bents or Piers; added grades higher than grade 60 reinforcement; added limits for service load cracking in straddle bent caps; removed 22 ksi limit for dead load stress; minor revisions in various chapters to reference current editions of publications; minor editorial revisions.
This revision supersedes version 2013-1.
For more information about any portion of this manual, please contact the Design Section of the Bridge Division.
Past Manual notices are available in a PDF archive.