PITTSBURGH (AP) – Authorities in western Pennsylvania say drones will be banned from the airspace around a Pittsburgh bridge during the span’s scheduled demolition next week.

The Greenfield Bridge is more than 90 years old and carries traffic above the interstate locally known as the Parkway East. It’s been closed since October and will be replaced by a new span scheduled to open by May 2017.

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The old bridge is scheduled to come down in a controlled implosion at about 9 a.m. Monday. The city’s public safety department says a temporary flight restriction “for manned and unmanned aerial systems” will be in effect from 8 a.m. to 4 p.m. Monday, extending 2,999 feet in the air and one-half nautical mile – 3,038 feet – around the demolition site.

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