Northern State Parkway Interchange Reconstruction at NY110


Location: Suffolk County, New York
Client: New York State Department of Transportation, Region 10
Completion Date: 2013
Construction Cost: $60,000,000

D030921: Provided Resident Engineering Inspection services for the reconstruction of Northern State Parkway and NY 110 Interchange including the replacement of the NSP Bridge over NY 110 BINs (1058321, 1058322); the reconfiguration of the NSP/ NY110 interchange from a cloverleaf interchange to a modified diamond interchange; the widening of NY110 from two (2) lanes to three (3) lanes in each direction; and the improvement of the NY110 intersection with Old Country Road. Work included traffic signal replacement, ITS replacement and upgrades, aesthetic features to the new bridge and in the corridor, new curbs and sidewalks, significant profile corrections, milling and resurfacing, guide rail installation, retaining walls, new drainage system including recharge basins, significant utility coordination and ROW acquisition and temporary easements.