Tappan Zee Constructors (TZC) is scheduled to continue work on the eastbound span’s roadway. The work will involve moving material and equipment near the Rockland landing, requiring overnight lane closures on the southbound New York State Thruway (I-87/I-287) beginning near exit 11 (Nyack – South Nyack – US Route 9W) and extending across the new bridge.
Work on the median barrier in Tarrytown will also require single lane closures on the northbound Thruway near exit 9 (Tarrytown – Sleepy Hollow – US Route 9).
Specific lane closure times are listed in the chart below.
| DATE: | CLOSURES BEGIN: | CLOSURES END: | LOCATION: |
| Thur. 5/31 | 7 p.m. – One right lane 8 p.m. – Two right lanes |
6 a.m. – Fri., 6/1 | Southbound (I-87/I-287) from exit 11 to exit 9 |
| Fri., 6/1 | 5 a.m. – One left lane | 1 p.m. | Northbound near exit 9 |
| Fri., 6/1 | 7 p.m. – One right lane 8 p.m. – Two right lanes |
6 a.m. – Sat., 6/2 | Southbound from exit 11 to exit 9 |
| Mon., 6/4 | 7 p.m. – One right lane 8 p.m. – Two right lanes |
6 a.m. – Tue., 6/5 | Southbound from exit 11 to exit 9 |
| Tue., 6/5 | 7 p.m. – One right lane 8 p.m. – Two right lanes |
6 a.m. – Wed., 6/6 | Southbound from exit 11 to exit 9 |
| Wed., 6/6 | 7 p.m. – One right lane 8 p.m. – Two right lanes |
6 a.m. – Thur., 6/7 | Southbound from exit 11 to exit 9 |
| Thur., 6/7 | 6 a.m. – One left lane | 3 p.m. | Northbound near exit 9 |
| Thur., 6/7 | 7 p.m. – One right lane 8 p.m. – Two right lanes |
6 a.m. – Fri., 6/8 | Southbound from exit 11 to exit 9 |
TZC is also scheduled to pour concrete near the eastbound span’s Westchester landing next week, weather permitting. The work will not require the closure of any Thruway traffic lanes.
Steel Girder Installation
TZC is installing the final set of steel girders for the eastbound span, connecting the new bridge to the on-land piers in Rockland County. The work follows the successful installation of steel girders over River Road/Piermont Avenue.
Truss Dismantling
TZC is scheduled to remove large steel truss sections of the old bridge next week with the assistance of the project’s largest crane, dubbed I Lift NY. The truss sections, weighing up to 1,300 tons, will be placed on barges and transported to ancillary project facilities.
Maintenance and State Police Facilities
TZC is planning to pour concrete for the new State Police facility in Tarrytown in the coming days, weather permitting. TZC will also continue internal work on the Thruway Authority’s new maintenance building in Tarrytown, which includes installing water lines, fire protection and conduits. TZC is also completing the facility’s stair towers, exterior wall panels and rooftop.
Additional work includes:
- Excavation and concrete pouring at Rockland abutment
- Removing temporary access structures
- Internal tower work
- Electrical equipment installation and testing
- Dismantling of the old bridge’s icebreakers, deck panels, piers and circular caissons
Boater Safety
Periodic closures of the main navigation channel are anticipated to occur during construction and demolition periods. Cranes, barges and other equipment will occupy parts of the channel during this time. Boaters are strongly encouraged to avoid the project site during the closures and to avoid the Regulated Navigation Areas, located east and west of the main channel.
Times and dates of the closures are subject to change and will appear in the U.S. Coast Guard’s weekly Notice to Mariners; on the project’s Twitter feed (@NewNYBridge); and broadcast on Marine Radio Channel 22A. Tappan Zee Constructors can be contacted via Marine Radio Channel 16 for assistance.
Rockland and Westchester marine units continue to patrol the project site.
More boater safety information, including the U.S. Coast Guard Notice to Mariners, a construction site map and GPS-tracked construction vessel locations, can be found at NewNYBridge.com/Boater.
The New York State Thruway Authority provides this information as a public service. Any reliance you place on such information is therefore strictly at your own risk. Nothing in these guidelines shall supersede the actual construction conditions, and regulations set forth by the U.S. Coast Guard.
All lane closures are subject to change due to traffic, weather or emergency situations. Please visit https://www.thruway.ny.gov/travelers/map/ for real-time information regarding traffic conditions.
