<P> The New Tappan Zee Bridge , also known as the New NY Bridge and officially named the Governor Mario M. Cuomo Bridge after the late former governor Mario Cuomo , is a twin cable - stayed bridge being built to replace the current original Tappan Zee Bridge over New York 's Hudson River . Construction began in 2013 , and on August 26 , 2017 , the westbound span officially opened to traffic . Both spans are expected to be operational by June 15 , 2018 . </P>
<P> The New Tappan Zee Bridge , also known as the New NY Bridge and officially named the Governor Mario M. Cuomo Bridge after the late former governor Mario Cuomo , is a twin cable - stayed bridge being built to replace the current original Tappan Zee Bridge over New York 's Hudson River . Construction began in 2013 , and on August 26 , 2017 , the westbound span officially opened to traffic . Both spans are expected to be operational by June 15 , 2018 . </P>
when is the new tappan zee bridge supposed to be finished
when is the new tappan zee bridge supposed to be finished
June 15 , 2018
June 15 , 2018