Union County sheriff deputies (pictured right) stand by after an accident 5:18 p.m. Thursday, with one injured and transported to Des Moines. Benjamin Arno Friederichs, 18, of Walcott was cited for failure to maintain control after the accident at Green Valley Lake spillway on 140th Street. According to a Union County Sheriff report, Friederichs, driving a 2004 Ford, failed to navigate the curve before the bridge at Green Valley Lake spillway. After losing control of the vehicle, he ran into the bridge's guard rail on the south side and the vehicle flipped into the spillway, landing on its top. Friederichs and passenger Ramiro Palomares Jr., 18, 1501 W. Townline St., were transported to Greater Regional Medical Center and released. Passenger Tailor Greer, 18, 1501 W. Townline St., was transported to Greater Regional Medical Center before being flown by helicopter to Mercy Medical Center in Des Moines, where he is in fair, but stable, condition. Damage estimate to Friederichs' vehicle is $10,000.