A tanker truck carrying 9,000 gallons of unleaded fuel caught fire on the northbound I-75 bridge just outside downtown at about 8:45 a.m., producing tall flames and thick plumes of black smoke.The driver of the Nour Light Petroleum Transport truck escaped and there were no injuries, Michigan State Police First Lt.. Michael Shaw said.The fire happened on the overpass bridge in front of the Crain Communications building and was brought under control by fire crews within an hour.video credit: Alisha Frank / licensing@viralhog.com