On Saturday night, November 02, 2019, around 8:57pm, the Riverside Police Department along with the California Highway Patrol and the City of Riverside Fire Department responded to reports of a female on the on the Adams Street overpass. As Officers were arriving, the female jumped from the overpass and was struck by a box truck in the westbound lanes. The truck came to a stop roughly 1/4 of a mile from the Adams Street overpass. The female was pronounced deceased at the scene. The driver and passenger of the box truck were treated for unknown injuries. All lanes of the westbound 91 were expected to remain closed for an unknown duration while officers conducted their investigation.