This story is free to read. Accident in Bradley County backs up I-75 for miles By Staff Report November 10, 2015 1 min read A crash on I-75 North in Bradley County near mile marker 18 was reported at 4:55 p.m., and estimated to be cleared by 7 p.m. The crash backed up traffic for miles, stretching from Cleveland, Tenn. to Ooltewah’s exit 11.