State media reported that the overpass collapse happened Thursday night in the city of Wuxi, in Jiangsu province.
Local authorities said three cars were trapped under the collapsed highway.
“Three people in two of the cars were killed. Another car, which had been parked under the overpass, had no one inside. Five cars were driving on the overpass when it collapsed, but they were caught by the guardrail, leading to two people, being injured,’’ the authorities said.
Authorities blamed the overpass collapse on overloaded vehicles.