Cowlitz County, WA, USA

2003-2006

Project Engineer for the Lexington Bridge project for the Cowlitz County Department of Public Works, near Kelso, Washington State, USA. Supervised and assisted with the final design of this 650-ft (200m) long 4-span precast prestressed concrete girder bridge spanning the Cowlitz River and the BNSF Railway.  Also created conceptual designs of three bridge alternatives, including long-span precast concrete girders, precast segmental post-tensioned concrete girders, and steel plate girders. Analyzed three different methods of spanning levee on west river bank and dealing with potentially extreme settlements under the west approach. Created cost estimates and assisted with detailing of drawings and writing of type, size, and location study report.

Client: Cowlitz County, Washington, USA
Engineer: BergerABAM
Images: BergerABAM

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