Project:
Tappan Zee Bridge
Client:
Tutor Perini Corporation
Peekskill, New York
The Governor Malcolm Wilson Tappan Zee Bridge, or simply the Tappan Zee, is a cantilever bridge in New York over the Hudson River at one of its widest points. The Tappan Zee connects Nyack in Rockland County with Tarrytown in Westchester County. Construction started in March 1952 and it was opened for traffic on December 15, 1955. The total length of the bridge and approaches is 16,013 feet (just over 3 miles, 4.881 km). The cantilever span is 1212 feet (369.42 meters) providing a 138-foot (42-meter) clearance over the water. The bridge is located about 25 miles north of Midtown Manhattan and the Manhattan skyline can easily be seen from the bridge on a clear day.
The bridge is part of the New York State Thruway mainline, and also designated as Interstate 87 and Interstate 287. The span carries seven lanes of automotive traffic.
Tutor Perini Corporation completed the removal and replacement of the structural deck and parapet for two lanes of the northbound and southbound sections
of the west causeway and main span of the Tappan Zee Bridge.
The major structural work was completed substantially during night shifts without significant interruption to traffic. The construction force overcame
numerous obstacles involving the existing structure, and accelerated major portions of the work to meet the owner’s needs.
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