Ontario Provincial Police say a worker was trapped inside an excavator after it tipped over and struck a rail bridge in Kitchener Wednesday.

The incident happened around 1 p.m. on Highway 85 North where there is heavy construction in the area.

OPP say the pavement gave way causing the worked to end up trapped inside the excavator.

Kitchener Fire is said to have brought in an aerial truck to extricate the worker who remained uninjured.

The northbound Kitchener collector lanes are currently closed north of Frederick Street.

A heavy tow has been called in to move the equipment.

OPP say the lanes will remain closed until the bridge has been inspected by an engineer.