NEW : The mother has been arrested on murder , manslaughter charges . The water of Yaquina Bay is more than 100 feet below the bridge . NEW : Jillian Meredith McCabe , 34 , held with bail set at $ 750,000 . The Yaquina Bay Bridge is more than 100 feet above the water . A man who was in a car that hit and killed two bicyclists while they were riding their bikes near San Francisco International Airport last month will not face criminal charges, authorities said Thursday.
NEW : The mother has been arrested on murder , manslaughter charges . NEW : Jillian Meredith McCabe , 34 , held with bail set at $ 750,000 . The Yaquina Bay Bridge is more than 100 feet above the water . A man who was in a car that hit and killed two bicyclists while they were riding their bikes near San Francisco International Airport last month will not face criminal charges, authorities said Thursday.