Nighttime electrical work on the Tarrytown approach to the Tappan Zee Bridge will continue the week of July 28. The Thruway will remain open to traffic as the nighttime operations continue, however traffic entering the northbound/westbound Thruway at Exit 9 will be impacted during some of the work. Traffic exiting the Thruway at Exit 9 will not be affected.
The I-87 northbound/I-287 westbound entrance ramp to the Tappan Zee Bridge from Route 119/White Plains Road in Tarrytown will be closed on Monday July 28 and Tuesday July 29 from 8 p.m. to 6 a.m. Traffic will be detoured approximately 1.5 miles east on Route 119/White Plains Road to interchange 8A in Elmsford to enter I-87 northbound/I-287 westbound (see detour map below).
Construction will continue in the Hudson River as crews continue the installation of the foundations for the New NY Bridge. Work will include pile driving between 7 a.m. and 7 p.m., Monday through Friday and 12 noon to 7 p.m. on Saturday.
A second shift of workers will also continue pile welding operations associated with permanent foundations.
Work will also continue on the Rockland temporary work trestle near the county shorelines, including pile driving to install the temporary foundations needed to support the platform. The trestles will support cranes for the construction of the western-most section of the new bridge.
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 five 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 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 illuminated at night as are all moorings, barges and other equipment.
| Monday | July 28 | Northbound, Right and Middle Lane near Exit 9 | 8 p.m. to 6 a.m. |
| Monday | July 28 | Exit 9 On Ramp closed | 8 p.m. to 6 a.m. |
| Tuesday | July 29 | Northbound, Right and Middle Lane near Exit 9 | 8 p.m. to 6 a.m. |
| Tuesday | July 29 | Exit 9 On Ramp closed | 8 p.m. to 6 a.m. |
| Thursday | July 31 | Northbound, Left Lane near Exit 9 | 10 a.m. to 3 p.m. |
| Thursday | July 31 | Southbound, Right Lane near Exit 9 | 7 p.m. to 6 a.m. |
| Friday | Aug 1 | Northbound, Left Lane near Exit 9 | 10 a.m. to 1 p.m. |
| Friday | Aug 1 | Southbound, Right lane near Exit 9 | 7 p.m. to 6 a.m. |
| Saturday | Aug 2 | Northbound, Left and Middle Lane near Exit 9 | 10 p.m. to 7 a.m. |
Ongoing Operations:
- Permanent pile installation, including pile driving between 7 a.m. and 7 p.m. on weekdays, and between noon and 7 p.m. on Saturdays
- Pile Cap foundation construction
- Main Span foundation construction
- Rockland Landing construction
- Westchester Landing construction
- River Road utility work
- Rockland trestle construction, including pile driving
- Survey inspections on existing bridge
- Support for river-based work from the Rockland trestle
