Road-striping work will require the closure of three lanes of the northbound New York State Thruway (I-87/I-287) from exit 8A (Elmsford – NY Route 119 – Saw Mill River Parkway North) to exit 11 from 9 p.m., Monday, Mar. 16 to 5 a.m., Tuesday, Mar. 17. One lane will remain open during the closure.
Additionally, road striping also will require the closure of two lanes of the southbound Thruway from the toll plaza to exit 9 (Tarrytown – Sleepy Hollow – NY Route 9) from 8 p.m. Thursday, Mar. 19 to 5 a.m., Friday, Mar. 20. The work also will necessitate the closure of the southbound exit 9 off-ramp to Route 9 from 11:59 p.m., Thursday, Mar. 19 to 5 a.m., Friday, Mar. 20. Traffic that would otherwise use exit 9 will be detoured to exit 8, as shown below:
- Exit onto the exit 8A off-ramp;
- At the end of the long ramp, turn right on westbound Route 119/White Plains Road;
- Enter westbound I-287, which merges with northbound I-87;
- Exit onto the exit 9 off-ramp;
- Turn left onto westbound Route 119/White Plains Road; and
- Turn left or right on Route 9, depending on your destination.
With winter finally in retreat, Tappan Zee Constructors, LLC (TZC) is remobilizing crews to various operations on the Hudson River during the week of Mar. 16. The work will include installing reinforcing steel (rebar) in the main span pile cap, setting in place pre-cast approach span pile tubs, assembling pier forms and driving foundation piles. The periodic pile driving is restricted to between 7 a.m. to 7 p.m., Monday through Friday and noon to 7 p.m., Saturday.
Crews also will continue working on the bridge’s landings on the Rockland and Westchester shorelines. The abutments, comprised of steel and concrete, will serve as strong bases where the new crossing meets the landside roadway.
TZC will continue limited concrete placement for foundations near the South Nyack shoreline. The concrete for this work is being acquired from local concrete suppliers and delivered by truck to the Rockland trestle located off the New York State Thruway’s (I-87/I-287) southbound access ramp. Trucks exit the trestle to the Thruway via the northbound access ramp. The access ramps are used only by construction vehicles, providing a safe route directly to the work site and reducing traffic impacts on local roads.
TZC’s floating concrete batch plants are anticipated to return to the project site next week. Following testing, the plants will resume concrete production for numerous operations on the water, further reducing the number of concrete trucks using local roads.
Additional work includes:
- Pile cap foundation construction
- Main span foundation construction
- Landing abutment concrete work
- River Road utility work
- Support for river-based work from the Rockland trestle
- Survey inspections on the existing bridge
Boater Safety
The U.S. Coast Guard has established a Safety Zone surrounding 16 construction barge mooring locations at the project site. No unauthorized vessels are allowed in the Safety Zone. In addition, marine law enforcement will be enforcing the rules of the expanded Regulated Navigation Areas (RNAs) east and west of the Safety Zone. The RNAs stretch 500 yards north and 500 yards south of the existing bridge. Boaters are urged to transit the main channel with no wake at a maximum speed of 5 knots, and to use extreme caution on the river at all times.
More New NY Bridge boater safety information, including the U.S. Coast Guard Notice to Mariners and construction site maps, can be found here at NewNYBridge.com. An interactive map showing vessel locations on the Hudson River is also available here for recreational and commercial boaters to get updated information on this very active construction zone. The GPS tracking map is for informational purposes and not intended for navigation.
Mariners also should be aware that TZC will continue work in the vicinity of the side channels under the existing bridge. Additional temporary navigational lights have been installed to further define the 600-foot navigation channel under the main span. Permanent elements of the new bridge are lit per U.S. Coast Guard requirements, as are all moorings, barges and other equipment.
All lane closures are subject to change due to traffic, weather or emergency situations. Please visit https://www.thruway.ny.gov/travelers/map/index.html?layer=incidents for real-time information regarding traffic conditions.
