Mayhem on the Bruce Highway north of Brisbane after semi-trailer smashes into overpass A B-double has rammed into an overpass on the Bruce Highway, north of Brisbane, and then been hit from behind by another truck. The south-bound lanes are expected to be closed for hours. PIC: Russell Brown Source: News Limited THE Bruce Highway has been closed after a semi-trailer struck an overpass and another truck smashed into it north of Brisbane this morning. A B-double truck heading south hit the the Anzac Ave overpass at North Lakes about 9.30am. A second B-double then crashed in to the first one. Traffic is being diverted to Anzac Ave and the Bruce Highway is expected to remain closed for hours. Police are urging motorists heading southbound to avoid the highway. Paramedics are treating a 47-year-old man for back pain. More to come