Minnesota Department of Transportation

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Grading and Base Manual

Asphalt mix on a towel

Grading and Base Manual

This manual is intended as a tool to help the Inspector measure the quality of the materials and evaluate the work as construction progresses.

Log of manual updates since 2010 (doc), last update: June 24th, 2021

Note: An extensive email list of the Grading and Base Manual owners as of December 15, 2010, has been compiled to notify them of future changes. To verify that you are on the list, or if you wish to be placed on the list, contact Terry Beaudry, 651-366-5456.

Current edition

NEW Grading and Base Manual (doc), June 24, 2021

Archived editions

Grading and Base Manual (doc), June 26, 2020

Grading and Base Manual (doc), June 28, 2019

Grading and Base Manual (doc), February 21, 2018

Grading and Base Manual (doc), November 3, 2017

Grading and Base Manual (doc), March 18, 2016