Update: As of 9:45 a.m., the freeway lane had been reopened. State Police said no one was injured. The fire started when a hub bearing overheated, police said.

The Washtenaw County Sheriff's Office was advising motorists to avoid eastbound M-14 between the two intersections with US-23 on the north side of Ann Arbor Friday morning.

A semi tractor-trailer fire has closed the right lane, the office said in a meesage sent about 6:45 a.m.

A Google traffic map showed a severe traffic backup on M-14 and traffic backed up on southbound US-23 north of the intersection with M-14.

A dispatcher said firefighters and Michigan State Police are on the scene.

Traffic backups are shown in red and black on the map.