September 20, 2020
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The American Association of State Highway and Transportation Officials has issued a series of 2020 interim revisions for its Guide Design Specifications for Bridge Temporary Works, 2nd Edition.

[Above photo by Jake Daniels for the Nebraska DOT.]

Those interim revisions aim to simplify the “wind provisions” for temporary bridge works used in the construction of conventional bridges, as well as to make them more consistent with related provisions found in other AASHTO documents.

Specific revisions include:

  • Replacement of Article 2.3.5.2, “Wind”, which covered topics related to wind loads, wind pressure, and design wind speed.
  • Deletion of Appendix C, “Select ASCE 7 Wind Provisions.”
  • Removal from Appendix E, “Sample Seismic Calculations,” of Example 1, Wind Load.

Those interim revisions are available from the AASHTO Store as free online PDF downloads and can be accessed by clicking here.

editor@aashto.org

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