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Drainage Manual

The MnDOT Drainage Manual contains design criteria and basic working knowledge of hydrology and hydraulic design for use in the design and evaluation of highway drainage features.

Document Date updated
Download entire manual (PDF 28.6 MB) Aug. 30, 2000

Sections

Document Date updated
Cover Title and Table of Contents (PDF 0.5 MB) Aug. 30, 2000
1 - Introduction (PDF 2 MB) Aug. 30, 2000
2 - Materials and Structural Design (PDF 2 MB) Aug. 30, 2000
3 - Hydrology (PDF 4.3 MB) Aug. 30, 2000
4 - Channels (PDF 3.4 MB) Aug. 30, 2000
5 - Culvert (PDF 2.6 MB) Aug. 30, 2000
6 - Energy Dissipater (PDF 2 MB) Aug. 30, 2000
7 - Storage Facilities (PDF 1.5 MB) Aug. 30, 2000
8 - Storm Drainage Systems (PDF 5 MB) Aug. 30, 2000

Appendices

Document Date updated
Appendix A: Risk Assessment (PDF 0.5 MB) Aug. 30, 2000
Appendix B: Rainfall Intensity Curves (PDF 0.5 MB) Aug. 30, 2000
Appendix C: Pipe Flow Design Charts (PDF 1.3 MB) Aug. 30, 2000
Appendix D: Open Channel Flow Charts (PDF 3 MB) Aug. 30, 2000
Appendix E: Computer Programs and Reference Materials (PDF 1 MB) Aug. 30, 2000

Commonly used Tech Memos related to MnDOT Drainage Manual

Document Date issued
20-04-TS-02 Design Guidelines for Locating Wet Ponds with Permanent Water Depths along Freeways and High Speed Highways (PDF 0.5MB) Feb. 11, 2020
20-05-B-01 Reinforced Concrete Pipe Load Tables (PDF 0.5 MB) Mar. 16, 2020
17-05-B-02 Use of Plastic Pipe for Storm Sewer and Culverts on Trunk Highways (PDF 0.5 MB) April 11, 2017
16-05-B-02 Storm Drain Design Frequency and Catch Basin Spacing (PDF 0.5 MB) Sept. 13, 2016
15-10-B-02 Use of Atlas 14 Volume 8 Precipitation Frequency Estimates (PDF 0.5 MB) Dec. 8, 2015

14-06-ENV-01 Storm Water Infiltration System location guidelines for MnDOT ROW(PDF 0.5 MB)

EXPIRED - Will be incorporated in manuals

Expired

Complete Tech Memos list (link) N/A