Design Memorandum



TO:                  All Design Staff

FROM:            Bijan Khaleghi
DATE:             August 7, 2013
SUBJECT:       Intermediate Diaphragms for Prestressed Concrete Girder Bridges


This design memorandum describes WSDOT policies for use of intermediate diaphragms for prestressed concrete pretensioned girders, and post-tensioned concrete spliced girders including WF series girders, deck bulb tee girders and tub girders.   read more....



If you have any questions regarding these issues, please contact Bijan Khaleghi at 360-705-7181.


cc:   Mark Gaines, Bridge Construction - 47354

       Craig Boone, Bridge and Structures 47340