A PWD team inspecting the Ghato-Charhi diversion that vehicles are using to bypass the underground fire zone at Kujju on the Ranchi-Patna highway (NH-33) has found that three old bridges on the route have developed cracks that may not hold on for long unless movement of heavy vehicles is stopped immediately. PWD executive engineer Rajeev Lochan, who headed the team that conducted the inspection today, said that all three bridges