ABD Memos are directives from the Bureau of Bridges and Structures advising bridge designers on bridge design policy changes prior to the policy's incorporation in this office's standards and manuals.
Users can download individual memos or all memos.
To view the file, click the link with the left mouse button. The TOC is replacing the annual written notification of changes in the status of ABD memos. After downloading, the ABD memo files and the Table of Contents file must be placed in the same directory. Files are in Adobe PDF format. Adobe Reader is required to view these files.