Treasured Trestle

by Ryan Redick, P.E., project manager and transportation engineer in the Anchorage, Alaska, office of HDR,
John Scott, resident construction manager in HDR’s Portland, Oregon, office.,

Serial Information: Civil Engineering—ASCE, 2020, Vol. 90, Issue 5, Pg. 66-69, 88

Document Type: Feature article

Abstract: Perched on a rugged cliff beside a bay, the aging Water Street Trestle #2 in Ketchikan, Alaska, had to be replaced or residents would have lost access to essential city services. Designed to last 75 years despite the harsh Alaskan environment, the new trestle overcame a tightly confined, steep project site; variable subsurface conditions; and lengthy wet-weather seasons.

Subject Headings: Cliffs | Bays | Water management | Streets | Municipal water | Urban areas | Project management | Subsurface environment | Alaska | United States

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