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Route 1 Millstone River Bridge Replacement


The construction on this project has now been completed.

The New Jersey Department of Transportation (NJDOT) began the replacement of the structurally deficient Route 1 Bridge over the Millstone River in West Windsor, Mercer County and Plainsboro, Middlesex County in March 2009. This project is expected to be completed by December 2010.

The $18.8 million construction project will replace the original Route 1 Bridge that was constructed in 1928 and upgraded in 1960 with a new, concrete bridge that will feature shoulders and two sidewalks. As part of the project, NJDOT will also repair and improve Route 1 between Harrison Street in West Windsor and Princeton-Plainsboro Road in Plainsboro.
rendering of the new route 1 millstone river bridge
This rendering is of the new Route 1 Millstone River Bridge.

Route 1 is a heavily traveled highway with nearly 100,000 vehicles using the roadway daily. The location of this project site is in a sensitive environmental area of the Millstone River. A nesting tree inhabited by a pair of breeding Bald Eagles is within sight of construction activity of this project. It has been documented that the pair have inhabited this site for at least seven years.

NJDOT is diligent in its stewardship of the natural environment as it improves the transportation network for the motoring public. In connection with this active construction project, the New Jersey Department of Environmental Protection (NJDEP) recommended measures be taken to ensure the protection of the eagles. NJDOT implemented the recommendations and established an internet link to a video camera focusing on the
adult bald eagle photo
One of the adult Bald Eagles
returns to the nest.
(Image by: Kathy Clark, NJDEP)
nesting pair of Bald Eagles during the breeding season. NJDOT staff routinely monitors and maintains the video camera. In keeping with NJDOT's continual effort to promote renewable resources, all of the transmitting devices are powered by solar energy. The video camera offers a unique opportunity for the public to view the Bald Eagles in their natural environment during the nesting season from December 15 through July 31. Only a few counties in New Jersey have nesting Bald Eagles that continue to produce offspring annually. Those located in residential areas and busy transportation corridors such as Route 1 are rare.
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  Department of Transportation
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  Trenton, NJ 08625-0600
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  Last Updated:  January 20, 2011