Rail bridge collapses during Midwest flooding as a heat wave persists across much of the US [Video]

A railroad bridge collapsed during flooding in the Midwestern U.S. that has led to water rescues, evacuations and at least one death and has brought additional misery during a vast and stubborn heat wave.The bridge connecting North Sioux City, South Dakota, with Sioux City, Iowa, collapsed into the Big Sioux River late Sunday, an emergency manager said. Images from local media showed a large span of the steel bridge partially underwater as floodwaters rushed over it.Some of the trusses collapsed, Jason Westcott, an emergency manager in Union County, South Dakota, told KCAU-TV.There were no immediate reports of injuries from the collapse. The bridge is owned by BNSF Railway, whose officials did not immediately comment.Floodwaters have risen over days of heavy rain in South Dakota, Iowa, Minnesota and Nebraska. More rain is expected, and many rivers may not crest until later this week.In northwestern Iowa, 13 rivers flooded, said Eric Tigges …