Tenn. Code § 7-31-109
Upon payment of the compensation or damages that have been assessed by the condemnation commission and approved by the municipal legislative body, into the office of the recorder or city clerk, for the benefit, or to the account and subject to the order of the owner of the land condemned, the administrative officer or officers of the municipality may order the owner of the land condemned to open the public streets, alleys, highways, parks, parkways, or boulevards, and give the municipality possession of the public streets, alleys, highways, parks, parkways, or boulevards, and fifteen (15) days after the date of the order such municipality may open and take possession of the public streets, alleys, highways, parks, parkways, or boulevards.
T.C.A. § 7-31-109