NEW BEDFORD - If you're planning on heading downtown tonight, you may have to rethink your route.

The Massachusetts Department of Transportation is closing the off-ramp from I-195 eastbound to Route 18 southbound in New Bedford tonight from 9 p.m. to 5 a.m. Friday morning.

MassDOT says the temporary closure of the ramp is necessary to complete bridge deck repairs.

Traffic will be detoured to Exit 16, where drivers can head west on Washburn Street, turn north onto Belleville Avenue, then west on Coggeshall Street, and south onto Route 18.

Those traveling through the area should expect delays, reduce speed, and use caution.

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