UPDATE: The northbound exit ramp of SR-153 to Amincola Highway has been partially re-opened to traffic Tuesday morning after a semi overturned and blocked the ramp. 

Our crew is told no one was injured and they do not have a cause at this time.

PREVIOUS STORY: A semi has overturned on Highway 153 in Hamilton County at Amnicola Highway.

We are told that the accident happened around 1:30 Tuesday morning, even though it was not reported until just before 3:30 A.M.

It is estimated to be cleared by 12:00 P.M.

There is no word on injuries at this time.

Northbound traffic is affected with the off-ramp blocked.

We currently have a crew on scene. For the latest details follow Tim Pham on twitter.

We will also continue to keep you updated on-air and online.