Police said Isaac Bartley and another man were trying to cross a dark section of Preston Highway when Bartley was hit.
Louisville Metro Police officers were called to a multi-vehicle crash in the 10300 block of Preston Highway at Maple Spring Drive just after 8 p.m. Dec. 26.
Police will not release the name of the suspect since she is a minor, but said she is being charged with complicity to murder and robbery.
A 51-year-old man died weeks after a crash on Interstate 65 in Louisville.
The Jefferson County Coroner's Office identified the two victims as Gary Wright, 77, of Owensboro, and Tami Jo Hawkins, 63, of West Point.
Police said the motorcyclist lost control on eastbound I-265 and ran off the road.
Angela Kelly, 45, was taken into custody Wednesday night and charged with one count of murder.
LMPD currently does not have any suspects.
Louisville Metro Police spokesperson Aaron Ellis said officers responded to a shooting on Bardstown Road at the intersection of Baxter Avenue around 3:30 a.m.
The remains were sent to the Jefferson County Coroner's Office for testing to determine a cause of death.