At its heart, the legacy of the Tappan Zee Bridge is about engineering innovation, political vision, and the socio-economic benefits that helped grow one of the nation's most important commercial corridors.
A Lasting Legacy
1955-2017
Historic Significance
The opening of the Tappan Zee Bridge in 1955 had an enormous impact on the people, politics, and economies of Rockland and Westchester counties.
Key Design
Features
The designers of the Tappan Zee Bridge were confronted with challenges on a number of fronts, including geology and distance.
Engineering + Construction
The designers of the Tappan Zee Bridge were confronted with challenges on a number of fronts, including geology and distance.
Bridge Stories
Listen to oral histories and read news articles before, during, and after the construction of the Tappan Zee Bridge.
Why Was It Replaced?
Growing traffic congestion, on-going maintenance, and escalating repaid costs ultimately led to the decision to replace the Tappan Zee Bridge.