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All Bridge Designers Memorandums
All Bridge Designer (ABD) Memorandums are directives from IDOT's 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.
Special Instructions: The current ABD memos are available for download. Users can download individual memos or all memos. To download an individual file to your hard drive click the link with the right mouse button, then choose "save target as." To view the file, click the link with the left mouse button. A Table of Contents (TOC) with links to all the current memos is also available. 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.
- Download All Bridge Design Memorandums
Current ABD Memos
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