A cargo train derailed on September 23 while crossing the Floyd River, in Alton, Iowa, as a bridge collapsed after weeks of heavy rainfall.
No injuries were reported and no known hazardous materials leaked from the train, according to the Sioux County Sheriff. The trains were carrying sand and soybean oil, according to local news channel KTIV.
A nearby derailment in June during floods leaked hundreds of thousands of gallons of crude oil into the Rock River in Iowa. Credit: Sioux County Sheriff via Storyful