• Corporate HQ, NY
  • Melville, NY
  • Iselin, NJ
  • Ossining, NY
  • Mount Laurel, NJ

Shore Parkway Interchange/Gowanus Expressway Emergency Repair and Interim Deck Replacement


The Gowanus Expressway (I-278) is a critical component of New York City’s highway system, connecting the Verrazano-Narrows Bridge to the Hugh L. Carey Tunnel. A HAKS-led joint venture is providing inspection for the construction of a new deck to replace the concrete deck of the Gowanus Expressway Viaduct in Brooklyn for the New York State Department of Transportation (NYSDOT). The project followed the Gowanus emergency repair and interim deck replacement construction completed in October 2009 under a separate contract.

Major elements of this reconstruction encompass emergency replacement/repair of the viaduct deck and superstructure; removal and replacement of the viaduct and ramp concrete deck from the Verrazano-Narrows Bridge to 51st Street; construction of a new 19-foot-wide, 2,300-foot-long slip ramp (flyover) in the Gowanus median between 58th Street and 4th Avenue; 6th Avenue exit ramp widening; and widening of the at-grade Gowanus from 92nd Street to 6th Avenue by modifying the median and placing a strip of new concrete pavement. The flyover ramp will serve as a reversible relief bus/HOV lane to carry traffic over the southbound Shore Parkway entrance ramp. The ramp’s new concrete deck and steel superstructure are supported on 18 new concrete columns on reinforced concrete foundations. Widening of the 6th Avenue ramp required erection of six new concrete columns on reinforced concrete foundations and a new concrete retaining wall. 

In all, approximately 420,000 square feet of concrete deck were replaced and deteriorated stringers, diaphragms, clip angles and bearing repairs completed. Conventional and high early strength concrete were used in the vicinity of the ramps to minimize inconvenience to motorists.

The project received the 2016 ACEC New York Diamond Award.