A 30-year-old woman suffered life-threatening injuries early Thursday when she was struck by a car in San Francisco’s Bayview neighborhood, authorities said Friday morning.

The woman was struck at approximately 5:08 a.m. while walking on the 200 block of Barneveld Avenue, according to San Francisco police. The woman was taken to an area hospital for treatment of her injuries, said Officer Robert Rueca, a department spokesman.

The driver, described as a 52-year-old man, remained at the scene following the crash, Rueca said, but had not been arrested as of Friday morning.

No further information was released.

The incident remains under investigation, police said.

Alejandro Serrano is a San Francisco Chronicle staff writer. Email: alejandro.serrano@sfchronicle.com Twitter: @serrano_alej