None Provided
The Imperial and SI versions of this standard practice were submitted for an R&R and received a comment proposing to include details of elliptical and arch pipe shapes as referenced in Section 12 of the AASHTO LRFD Bridge Design and Section 27 of the AASHTO LRFD Bridge Construction Specification. To reduce the number of figures, the embankment and trench details for every shape were combined into one figure.
Date Initiated: 09-23-2021
Technical Contact: Margarita Takou