Description: This manual has been prepared to provide Washington State Department of Transportation (WSDOT) bridge design engineers with a guide to the design criteria, analysis methods, and detailing procedures for the preparation of highway bridge and structure construction plans, specifications, and estimates.

Individual Chapters

Full Manual (pdf 33.65 MB)

• Date Originally Published: November, 2006
• Publication Number: M 23-50
• Last Modified: May, 2008
• Version: M 23-50.02
• Manual Manager: Joe Fahoum
• Originators: Bridge and Structures Office, Engineering and Regional Operations Division
• # of Pages: 1220
• Subject:
• Keywords: highway bridge and structure construction plans, specifications, estimates, design criteria
• Related Publications: Bridge List M 23-09

Bridge Design Manual Individual Chapters top

Contents (pdf 411 KB)

Chapter 1 General Information (pdf 1 MB)
Chapter 2 Preliminary Design (pdf 1.7 MB)
Chapter 3 Loads (pdf 820 KB)
Chapter 4 Seismic Design and Retrofit (pdf 1 MB) 
Chapter 5 Concrete Structures (pdf 23 MB)
Chapter 6 Structural Steel (pdf 1.5 MB)
Chapter 7 Substructure Design (pdf 2 MB)
Chapter 8 Walls and Buried Structures (pdf 1.8 MB) 
Chapter 9 Bearings & Expansion Joints (pdf 1 MB)

Chapter 10 Sign, Barriers, Approach Slabs, & Utilities (pdf 2 MB)
Chapter 11 Detailing Practice (pdf 896 KB)
Chapter 12 Quantities, Costs, & Specifications (pdf 1.8 MB)
Chapter 13 Bridge Load Rating (pdf 579 KB)

This abstract was last modified April 29, 2009