AKDOT Gustavus Causeway Replacement

Category Roads and Bridges
Location Skagway, AK
Owner State of Alaska

This project consisted of a $21 million replacement of an existing timber approach and dock with new galvanized steel pipe pile structures for public transportation and freight.  Construction included a 1,300-foot, two-lane causeway connected to a 6,000-square-foot dock.  The dock incorporates a wave barrier with gap-faced timber pile fender systems.  The project also included a new pontoon-supported, tidally operated transfer bridge, platform, ramp and apron.  Inspections included structural steel fabrication, ultrasonic testing and reinforced concrete.