Southbound I-75 in Apollo Beach was blocked after a semi-truck spilled lumber on the road

APOLLO BEACH, Fla. — Update: All lanes have reopened

A semi-truck spilled a load of lumber onto I-75 in Hillsborough County, causing slowdowns in the southbound lanes on Thursday morning. 

The Florida Highway Patrol reports that two lanes are blocked after a semi-truck lost a load of lumber just south of Old Big Bend Road. Traffic cameras show backups stretching at least 5 miles.

This is a developing story. Check back for updates.