Advertisement 3 injured in crash involving tractor-trailer, dump truck on I-70 in Frederick Nurse who stopped to help falls into Monocacy River Share Shares Copy Link Copy

Three people were injured Wednesday morning in a crash on Interstate 70 involving a tractor-trailer and a dump truck, including a nurse who rushed to the scene to help but fell off a bridge.Maryland State Police said they received calls around 4:44 a.m. reporting a dump truck without any lights on traveling very slowly on westbound I-70 in the Frederick area.While troopers were looking for the truck, a tractor-trailer carrying asphalt rear-ended a dump truck carrying concrete on the Monocacy River bridge, police said.After impact, the tractor-trailer struck a jersey wall of the bridge before jackknifing and igniting. The dump truck overturned and spilled much of its load of concrete, police said.Both vehicles and the debris field stretched across the width of the bridge. The westbound portion of the bridge was closed for about three-and-a-half hours.A Shock Trauma nurse and her husband were traveling eastbound on I-70 when they arrived at the scene shortly after the collision. She ran to the scene to assist and jumped over a jersey wall, police said.Police said the woman, Angela M. Weir, 47, thought there was a median on the other side of the wall and she fell more than 75 feet into the Monocacy River. A trooper pulled her from the water to shore, and she was flown to Shock Trauma, where the was treated and discharged.A Shock Trauma official released a statement, saying, "Angie is a fabulous nurse, and we are not at all surprised that she risked her own life to save others. We are so grateful that she is OK. Every day she delivers compassionate and expert care to her patients in the Critical Care Resuscitation Unit at the University of Maryland Medical Center. She exemplifies the highest qualities of nursing and selflessness, and we are so proud to call her one of our own."The driver of the dump truck, Charles H. Williams, 53, of Baltimore, was also flown to Shock Trauma, police said.The driver of the tractor-trailer, Douglas L. Sexton Jr., 58, of Sparrows Point, was taken to Meritus Hospital.An investigation continues and charges are pending, police said.Temporary jersey walls have been installed on the bridge.Get the WBAL-TV News App