Because of an unusually strong current, the bridge's central support gave way, tipping a coach into the river.因为遭遇罕见的湍急洪流的冲击，桥中心的支座坍塌，一辆长途客车被掀进了河里。Collapse may follow if the load outweighs its supports.如果支座荷载过重可能会发生倒塌。Workers will be reinforcing supports under the bridge.工人们将对桥梁的支座进行加固。