NEW : The 50-acre fire , which burned a mobile home , is contained . A brush fire near Tampa , Florida , prompted authorities Saturday afternoon to shut down Interstate 75 in both directions , a local sheriff 's office said . NE : I-75 northbound reopens , though southbound traffic was still blocked around 3:15 p.m . The fire had caused the highway 's closure due to ` ` zero visibility , '' a sheriff 's office said . The National Weather Service warns of ` ` dry fuels and low relative humidity '' in the area .
NEW : The 50-acre fire , which burned a mobile home , is contained . NE : I-75 northbound reopens , though southbound traffic was still blocked around 3:15 p.m . The fire had caused the highway 's closure due to ` ` zero visibility , '' a sheriff 's office said . The National Weather Service warns of ` ` dry fuels and low relative humidity '' in the area .