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SR 20 - Port Townsend Slip 1 - Bridge and Transfer Span Replacement - Completed December 2013

Project Status - Complete
 

typical ferry terminal structure schematic
Typical ferry terminal structures (enlarge)
A transfer span is a moveable bridge. Previously operated by cables, the span will now be operated by hydraulics.

 

The Port Townsend terminal

Overview
This project preserves the transfer span system by replacing it with a hydraulic transfer span (H-span) design. The H-span is a moveable bridge that connects the trestle to the vessel.

The new H-span system improves reliability and safety and reduces environmental impacts and operational costs.

How You Benefit
Cross GlyphImproves Safety
The project will bring the span up to current seismic, mechanical and electical standards.
Leaf Glyph Protects Environment
The project removed creosote-treated timbers at the transfer span. Creosote is made up of many chemicals. Removing this from the Puget Sound will help aquatic life.
Dollar Sign Glyph Economic Incentive
Because the H-Span system is simpler and requires fewer staff to operate, costs to maintain the system are expected to decrease.

Partnerships & Cooperation

Funding

Fabrication contract: $2.3 million
Installation contract: $3.3 million
Contracts total: $5.6 million

Contact Us
WSF Construction Project Engineer John Callahan
206-515-3755
john.callahan@wsdot.wa.gov

WSF Communications Manager Joy Goldenberg
206-515-3411
joy.goldenberg@wsdot.wa.gov

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