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For Immediate Release: December 14, 2007


The New York State Thruway Authority announced today that deck replacement work on the Tappan Zee Bridge will take place tonight, Friday, December 14. This project is part of the Authority’s on-going commitment to continue to fulfill its responsibility to maintain and operate the bridge by continuing to make the necessary investments to assure safe and efficient travel for the thousands of motorists that cross the bridge daily.

The deck replacement project will replace approximately 40 percent of the entire deck, focusing on the two right outside lanes in each direction from the Rockland County shore through the main span. Work will progress in the northbound lanes, followed by replacement work in the southbound lanes covering the same spans.

Panel installation. This operation is weather-dependent and subject to change. Updates will be issued announcing any change in schedule. During this operation:

Friday, December 14: Work will begin at 9 PM and result in three southbound lanes closed from 12 AM until 6 AM on Saturday, December 15, from Interchange 10 to the Tappan Zee toll barrier for the installation of a precast concrete panel at span 1. During this operation, two northbound and two southbound lanes on the Tappan Zee Bridge will be open to motorists. However, the southbound entrance ramp at Interchange 10 will be closed. A marked detour will be installed on Broadway via Main Street (Route 59) in Nyack for traffic to enter the southbound roadway at Interchange 11. All lanes are expected to be opened to traffic by 8 AM Saturday morning.

For the safety of the public and construction workers, motorists are urged to proceed with caution and obey posted work-zone speed limits. Work will proceed weather-permitting, and schedule updates will be announced as needed.

Traffic updates will be broadcast to motorists via Dynamic Message Signs (DMS) along the highway and by Highway Advisory Radio, 530 AM in the Tappan Zee Bridge corridor, as well as 1610 AM in the Newburgh area.

Motorists may also sign up to receive email and text message traffic updates from the Thruway Authority’s TRANSalert system. Anyone may subscribe to the free service at

When complete, the new deck, along with related repairs to the superstructure, lighting, and rail will provide more reliable service, increase safety and add convenience for motorists using this vital east-west corridor.

The Authority has implemented a number of measures to reduce the impact on motorists, preserve traffic flow, shorten the project duration, and reduce on-site noise levels. Much of the work is being completed during off-peak, overnight shifts, generally from 8 p.m. to 6 a.m., and redecking materials are being manufactured off-site with delivery just in time for installation.

The three-mile Tappan Zee Bridge, located about 13 miles north of New York City, carries the New York State Thruway over the Hudson River, between Rockland and Westchester Counties. The structure serves as a lifeline between New York City and Upstate New York. The bridge carries over 140,000 vehicles every day, with volumes as high as 170,000 vehicles daily. When the bridge opened in 1955, it carried an average of 18,000 vehicles daily.


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