Authorities said in a news release that Nicole F. Evans has been charged with endangering the welfare of a child and was released on $500 secured bond.
Police say the incident happened Friday evening. A person reported seeing the boy walking south by himself on the shoulder of U.S. 13. Authorities say during the one-hour time period in which the boy was found, Evans did not contact 911 to report that her child was missing.
Officials say the boy was turned over to family members.