Suffolk County police say 34-year-old Jeannie Muller, of Nesconset, faces charges of aggravated driving while intoxicated with a child passenger 15 years old or younger.
Police say she struck two moving vehicles while driving a 2014 Jeep on Boyle Road in Selden Monday night.
Muller and the child were transported to Stony Brook University Hospital for treatment of injuries. The driver of one of the two other vehicles was taken to Stony Brook University Hospital and treated for non-life-threatening injuries.
The little girl was released to a family member.