Appearing before Seventh District Judge Darren Simpson, Robert Arch Sims, age 47, pled guilty to one count of lewd conduct with a child under 16.
Counts two and three for lewd conduct with a child under 16 were dismissed, said Bingham County Prosecuting Attorney Scott Andrew.
Sims is from Blackfoot. The lewd conduct reportedly occurred from Christmas 2011 through March 2012.
Andrew said the victim was interviewed twice by Bingham County detectives and her testimony both times was "very consistent."
Sims will be sentenced at 2:30 p.m. on Monday, Aug. 27.