UPDATE: 11 AM WEDNESDAY: One lane of northbound Interstate 81 in Greene County remained closed Wednesday morning following a tractor-trailer fire.
According to Mark Nagi, spokesman for Region 1 of the Tennessee Department of Transportation, the right lane at mile marker 33 will require milling and paving because of fire damage.
It's expected to reopen Wednesday afternoon.
WBIR incorrectly reported previously that both northbound lanes were open. The left northbound lane is open but the right lane must be repaired.
No one was injured in the incident.
Traffic was diverted for several hours while crews responded to the fire.
PREVIOUS STORY: Drivers on northbound Interstate 81 in Greene County will face a detour Tuesday night while state officials address a tractor-trailer fire along the roadside.
Traffic was being diverted All traffic at Exit 23 to US 11E, according to Mark Nagi of the Tennessee Department of Transportation's Region 1.
According to Nagi, crews were letting the fire burn until it can be extinguished.
No one was hurt, according to Tennessee Highway Patrol spokesman Lt. Rick Garrison.
The interstate was closed at mile marker 33 in Greene County.
The fire was reported about 7:15 p.m. The closure was expected to remain in place several hours.
Garrison said it appeared the trailer's brakes may have gotten hot, causing the blaze.
I-81 is a main north-south corridor from Jefferson County to the Tri-Cities and Virginia.
WBIR will update you as more information becomes available Tuesday night.