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July 17, 2008

New Technology for Bridge Work

Safer and more cost-efficient, an innovative paving technology will be used on three Mid-Hudson bridges over the next two weeks.

The Bear Mountain and Rip Van Winkle bridges will feature new decks utilizing the NovaChip overlay.   The material will also be used to resurface the eastern part of the Mid-Hudson Bridge after repairs are completed.

“This surface will reduce long-term costs, make the road quieter and will help in snow and ice removal during the winter – making the bridge safer,” state Bridge Authority Chairman James P. Sproat said.

All work will be done at night to minimize traffic impact, however some delays are likely.  Work will begin after 9PM and conclude before 6AM to minimize impacts on motorists.   An exact schedule of road work will depend on weather and progress.  The Bridge Authority will provide details as they become available.

NovaChip is an ultra-thin, coarse aggregate hot mix over a special asphalt membrane that can be used as a preventive maintenance or surface treatment.  It combines the strength of hot mix with the flexibility of thin maintenance treatments.
The Bridge Authority expects that the high performance wearing surface will extend the life of the pavement by several years.

Motorists are urged to slow down, obey all flag and traffic signals and be especially cautious of workers on the roadway.