Gov. Mario M. Cuomo Bridge Tarrytown and South Nyack, New York HNTB helps fast track replacement of New York’s Tappan Zee Bridge • Design-build project is largest single civil construction contract awarded in New York • New cable-stayed bridge will ease congestion at a crucial Hudson River Crossing As owner’s engineer for the New York State Thruway Authority, HNTB helped to replace at an extraordinarily fast pace the 62-year-old Tappan Zee Bridge over the Hudson River. Work began on the design-build job – the largest single civil contract awarded in New York – in early 2013. The northern span of the new cable-stayed structure will open in August 2017. HNTB’s responsibilities as the owner’s engineer included managing the contract to get maximum value for toll payers, monitoring design a

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