UPDATE: The City of Bristol, Tennessee said Interstate 81 was back open as of 6:15 p.m.

BRISTOL, Tenn. (WJHL) — A section of Interstate 81 in Bristol remains closed due to a crash near the state line.

The City of Bristol, Tennessee said as of 4 p.m., two lanes of I-81 southbound and Exit 74B (Highway 11W exit) were closed but all northbound lanes had reopened.

Traffic is being detoured off of I-81 South at Exit 1A.

The incident has caused traffic to back up to Exit 3 in Virginia.

No other information has been released.

The city encourages drivers to use alternate routes.

This is a developing story. Look for updates on WJHL.com.