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For Immediate Release: September 4, 2007

Thruway Authority to Begin Deck Replacement Work on the Tappan Zee Bridge

The New York State Thruway Authority announced today that deck replacement work on the Tappan Zee Bridge will begin this week. 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 $147 million 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 begin in the northbound direction, followed by replacement work in the southbound direction covering the same spans.

Work for the week of September 3 will consist of the following:

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

  • Tuesday, September 4: Two northbound lanes will be closed from 8 PM until 6 AM, from Interchange 8 to Interchange 10, in order to prepare the site for the installation of pre-cast concrete panels. During this operation, one northbound and three southbound lanes on the Tappan Zee will be open to motorists.
  • Wednesday, September 5: Two northbound lanes will be closed from 8 PM until 6 AM, from Interchange 8 to Interchange 10, in order to prepare the site for the installation of pre-cast concrete panels. During this operation, one northbound and three southbound lanes on the Tappan Zee will be open to motorists.
  • Thursday, September 6: Two northbound right lanes will be closed from 10 PM until 6 AM, from Interchange 8 to Interchange 10, in order to prepare for the installation of pre-cast concrete panels. During this operation, one northbound and three southbound lanes on the Tappan Zee will be open to motorists.
  • Friday, September 7: Three northbound right lanes will be closed from 10 PM until 6 AM, from Interchange 8 to Interchange 10 for the installation of precast concrete panels over River Road in Rockland County (span 1). During this time, there will be periodic closures of River Road in the immediate vicinity of the bridge. The closures should last no more than 30 minutes each. Emergency vehicles will have access during these closures. During this operation, one northbound and three southbound lanes on the Tappan Zee will be open to motorists.

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 www.nysthruway.gov/tas.

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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