Guard Missing After ₹ 1,700 Crore Bridge Collapses Within Seconds In Biharbr The collapse of an under-construction bridge in Bihar's Bhagalpur has sparked a war of words between the state government and the opposition BJP. Soon after the four-lane bridge came crashing down like a house of cards yesterday evening, Bihar government told media that the structure had "serious defects" and portions were being deliberately destroyed in a planned fashion.