The fire was reported about 5 p.m. on the 1600 block of Calhoun Street in Ewing, according to initial reports.
Heavy smoke was reported throughout the large structure, according to an unconfirmed report.
An aerial fire truck was being set up about 5:30 p.m. to help battle the blaze from above, reports said.
No other details were immediately available.
CHECK BACK FOR UPDATES
Click here to follow Daily Voice Bristol and receive free news updates.