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




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

Status

March/April 2012

  • This project will be built in two phases. A fabrication contractor will build the new transfer span off site. Then an installation contractor will install the new transfer span system at Port Townsend.
  • The Phase 1 contract was awarded to American Construction Company on March 20.
  • Off-site fabrication is scheduled to begin in June 2012. On-site construction should occur in late 2012/early 2013.
  • View photos.

Overview
This project will preserve 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.

Why is WSDOT preserving the Port Townsend transfer span system?

  • This work will increase reliability.
  • Changing the transfer span will decrease operational costs. The H-span is much simpler and requires fewer staff to operate.
  • This project brings the transfer span up to current seismic mechanical and electrical standards.

The End Result
The new H-span system will improve reliability and safety and reduce environmental impacts and operational costs.

Project Benefits
Because the H-Span system is simpler and requires less staff to operate, costs to maintain the system are expected to decrease. 

The project will bring the span up to current seismic, mechanical, and electical standards.

What is the project timeline?

  • June 2011: Began design
  • February 2012: Advertise for bids for Phase 1 contract (off-site fabrication)
  • July 2012: Advertise for bids for Phase 2 (on-site installation)
  • Summer/fall 2012: Build new transfer span off site
  • December 2012: Begin on-site installation
  • May 2013: Complete on-site installation

Financial Information

Budget: $11.1 million

How can I get more information?
Contact:
WSF Terminal Design Engineering Manager Nicole McIntosh
206-515-3714
nicole.mcintosh@wsdot.wa.gov
 
WSF Communications Manager Joy Goldenberg
206-515-3411
joy.goldenberg@wsdot.wa.gov

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