I-280 westbound ramp to I-287 and Route 46 to close overnight for bridge painting in Morris County

PARSIPPANY-TROY HILLS, N.J. (Morris County) — Motorists traveling on Interstate 280 westbound should expect overnight ramp closures and detours beginning Wednesday, Oct. 21, as a bridge painting project continues in Parsippany-Troy Hills, according to the New Jersey Department of Transportation (NJDOT).

The I-280 westbound ramp to Interstate 287 and Route 46 is scheduled to close from 11 p.m. Wednesday, Oct. 21, until 5 a.m. Thursday, Oct. 22. The same closure is scheduled for Thursday and Friday nights, Oct. 22 and 23, from 11 p.m. to 5 a.m. the following mornings.

NJDOT said the closures are necessary to allow crews to paint the I-80 eastbound bridge over I-280 and Route 46 as part of a preventive bridge maintenance project.

Detour to Route 46

Motorists traveling on I-280 westbound who wish to access Route 46 will be directed to remain left for I-80 westbound and follow these directions:

• Continue on I-80 westbound Express.
• Stay right for Exits 42A-B toward Route 202 and Route 46.
• Stay left for Exit 42A toward Route 202 and I-80 eastbound.
• Take Exit 42A, cross over I-80 and follow the ramp to I-80 eastbound.
• Stay right for the exit to Route 202 northbound.
• Turn left onto Smith Road to access Route 46 eastbound or westbound.

Detour to I-287

Motorists traveling on I-280 westbound who wish to access I-287 northbound or southbound will be directed to remain left for I-80 westbound and follow these directions:

• Continue on I-80 westbound Express.
• Stay right for Exits 42A-B toward Route 202 and Route 46.
• Stay left for Exit 42A toward Route 202 and I-80 eastbound.
• Take Exit 42A, cross over I-80 and follow the ramp to I-80 eastbound.
• Take Exit 43 toward I-287, Morristown and Mahwah.
• Stay left for I-287 northbound or stay right for I-287 southbound.

Part of $8.5 million bridge maintenance project

The overnight closures are part of an $8.5 million federally funded project to repaint 10 bridges along I-80 in Morris and Bergen counties.

According to NJDOT, preventive maintenance projects such as bridge painting help protect steel structures from corrosion, maintain their condition and extend their operational lifespan.

The department said the exact timing of the work may change depending on weather conditions or other factors.

Motorists are encouraged to visit 511nj.org for construction updates, traffic conditions and real-time travel information before heading out.