Standard Specifications for Road, Bridge, and Municipal Construction

Publication Number
M 41-10
Publication Version
2022
Publication Date
Manual Manager
Michele Britton
Originator
Construction Administration Office, Engineering and Regional Operations Division

The Standard Specifications have been developed to serve as a baseline for the work that is delivered to the public by the Washington State Department of Transportation.

This version of the 2022 Standard Specifications is in 8.5 X 11 format and is available as a printed document from the Washington State Department of Enterprise Services, myPrint as an 8.5 X 11-inch document in a 3-ring binder.

Related Resources:

Individual Chapters

Foreword (PDF 88KB)

Contents (PDF 782KB)

Division 1 General Requirements (PDF 1.2MB)

Division 2 Earthwork (PDF 420KB)

Division 3 Production From Quarry and Pit Sites and Stockpiling (PDF 249KB)

Division 4 Bases (PDF 141KB)

Division 5 Surface Treatments and Pavements (PDF 698KB)

Division 6 Structures (PDF 2.3MB)

Division 7 Drainage Structures, Storm Sewers, Sanitary Sewers, Water Mains, and Conduits (PDF 658KB)

Division 8 Miscellaneous Construction (PDF 1.1MB)

Division 9 Materials (PDF 1.9MB)

Index (PDF 447KB)

Revision History

2022 Standard Specifications (PDF 8.9MB)
2021 Standard Specifications (PDF 8.6MB)
2020 Standard Specifications (PDF 8.4MB)
2018 Standard Specifications (PDF 5.5MB)
2016 Standard Specifications (PDF 7.5MB)
2014 Standard Specifications (PDF 5.6MB)
2012 Standard Specifications (PDF 5.6MB)
2010 Standard Specifications (PDF 4.6MB)
2008 Standard Specifications (PDF 5.0MB)
2006 Standard Specifications (PDF 5.3MB)
2004 Standard Specifications (PDF 4.6MB)
2002 Standard Specifications (PDF 2.2MB)
2000 Standard Specifications (PDF 2.2MB)

8,683 animals crossed the Snoqualmie Pass East Project area

as recorded by WSDOT and partners in 2020 and 2021.

46% increase in Amtrak Cascades ridership to 251,000 passengers

in 2021 compared to 172,000 in 2020.

Nine wetland and stream mitigation sites across 32.7 acres added

to our monitoring program in 2021 to help offset climate change impacts.