Technical information on how to design, inspect and preserve Washington State Department of Transportation bridges and structures.

Bridge Design Manual

Provides WSDOT bridge design engineers guidance on the design criteria, analysis methods, and detailing procedures for the preparation of highway bridge and structure construction plans, specifications, and estimates.

Contract submittal log

Bridge Design Schedule (pdf 135kb)

Bridge engineering software and applications

Access our Alternate Route Project™ Applications, BridgeLink™ and other software and applications.

Drawings available in pdf and dwg formats.
Plans and guides for lights and signal standards for transportation structures.
An application intended to help the public identify bridges with restricted vertical clearances up to 16 feet on Washington state highways.
Information on the Bridge Architect and bridge and structure aesthetics guides
Examples, reports and presentations for Accelerated Bridge Construction Resources (ABC)
After designing and building a structure, it's important to continue taking care of it through inspection and maintenance.
We help preserve and maintain bridge and structures across the state using a Bridge Asset Management Plan to focus on achieving the greatest return through available investments.
Contacts for questions on bridge & structure design, asset management and preservation
The ACEC/WSDOT Structures/Geotechnical Sub-Committee was created by the Washington State Department of Transportation (WSDOT) and the American Council of Engineering Companies of Washington (ACEC) to provide a forum for addressing issues of common interest related to bridge design and to make recommendations for process improvements.