Alexander Street Bridge Replacement Project

Road closed 11/6/19 - 4/20/20
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Weather permitting, two bridges and one stream culvert on Alexander Street will be replaced during a 135-day roadway closure beginning on November 6, 2019.  The New Jersey Department of Transportation (NJDOT), owner of the D&R Canal Bridge on Alexander Road in West Windsor, has contracted with Anselmi & DeCicco, Inc., to replace their bridge structure.  Mercer County Department of Transportation and Infrastructure (MCDOTI) has contracted with Marbro, Inc. to replace the truss bridge over Stony Brook and a stream culvert located south of Lawrence Drive in Princeton.   

Alexander Street will be fully closed between Lawrence Drive in Princeton to Canal Pointe Boulevard in West Windsor.  The detour route will utilize Faculty Road (a private University roadway), Washington Road (Mercer County Route 571), and US Route 1.  Princeton residents on Basin Street and Karin Court shall access their properties via Lawrence Drive for the duration of the construction project. 

We encourage residents, visitors and businesses to consider different travel routes and alternative transportation during this roadway closure.  The Greater Mercer County Transportation Management Association (Greater Mercer TMA), a non-profit organization, is available to assist with alternative travel options during the Alexander Road closure. They can provide insight and/or assistance with ridesharing, telecommuting, and flex hours.  Please contact Cheryl Kastrenakes, Executive Director, at (609) 452-1491 x 225 or


Downtown Princeton, and businesses on Alexander Street, are open for business during this closure.


All questions, concerns, and comments regarding this joint MCDOTI and NJDOT project shall be submitted to Kimberly Nance, NJDOT Office of Community Relations, at (609) 963-1982 or


Additional Resources

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Relevant Documents

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2018 Annual Police Report22

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