DESIGN & CONSTRUCTION OF THE SR 99 TUNNEL IN SEATTLE
THE ALASKAN WAY VIADUCT REPLACEMENT
Image courtesy HNTB
dr. yang jiang, pe, se
Principal Engineer, Bridges & Tunnels
HNTB Corporation
Yang is a Principal Engineer with HNTB Corporation in Bellevue, Washington. Yang has more than 26 years of experience on a wide variety of bridge and underground projects. Yang has led and performed design, analysis, review, and independent check for many signature brides, including the New Tacoma Narrow Suspension Bridge, Gerald Desmond Cable-Stayed Bridge, South Park Bascule Bridge, and the Sixth Street Arch Bridge. In recent years, Yang has focused on underground projects and built considerable experience in underground transportation structures from Crenshaw/LAX Transit Corridor Design-Build Project, the iconic Istanbul Strait Road Crossing in Istanbul. Yang is the Engineer of Record and lead engineer for the SR 99 Tunnel in Seattle - one of the world’s largest bored tunnel in the world. Yang is currently leading the structural effort for the West Seattle and Ballard Extension Project for Sound Transit in Seattle. The project includes miles of transit tunnels, several underground stations, two major bridge/tunnel water crossings, many above-ground stations, and miles of viaduct structures.