LOUISVILLE, Ky. (WDRB) -- Authorities have identified three people who were killed in a head-on crash in Nelson County, Kentucky, on Thursday.

Those victims have been identified as 72-year-old Delmer Douglas O'Dell (the driver), 71-year-old Vivan Dolores O'Dell, and their granddaughter, 3-year-old Kieren O'Dell.

A fourth person who was in the car -- a child -- is expected to survive after having surgery at Norton Children's Hospital. 

Westbound lanes of Bluegrass Parkway were closed for several hours after the crash.

The crash between a semi and a passenger vehicle happened on the parkway about 11:30 a.m. on Thursday. 

The Kentucky Transportation Cabinet's Chris Jesse said the semi crossed the median into the westbound lanes and hit the passenger vehicle.

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