Structure & Bridge Division

Instructional and Informational Memoranda


The information provided in this electronic version of the Instructional and Informational Memoranda is a product of, and copyrighted by, the Virginia Department of Transportation (VDOT) and is intended to be used for informational purposes only and is not to be sold or otherwise distributed for profit.  Although this data has been tested by the Virginia Department of Transportation, no expressed or implied warranties are made by VDOT concerning, the accuracy, completeness, reliability and usability of this information. The Virginia Department of Transportation assumes no responsibility for any incorrect outcomes or damage resulting from the use of this information.  All users shall expressly hold the Virginia Department of Transportation harmless from any liability or loss due to a virus or any other computer or software generated problem associated with these files.                            
If you have any technical questions or problems (e.g., problems with Internet Explorer, Favorites, etc.), please contact the Location and Design Helpdesk (804) 786-1280 or 1-888-683-0345.

If you have any questions or problems with the information inside each page (i.e., the "content") of the memoranda, please contact Junyi Meng, P. E. (804) 786-3817.

Numbering Format




For reference, a selection of previous document versions is placed in the zip file below with voided dates as shown at the end of each file name.

Page last modified: June 19, 2017