Tenn. Code Ann. § 69-5-501

Any party aggrieved may appeal from the decision of the court in establishing, or refusing to establish, the improvement district, or its decision in the allowance of damages, such appeal being to the circuit court, and any party so desiring to appeal shall have the right to have the benefit of appeal at any time within five (5) days after the decision is made, without formally praying an appeal, by filing with the clerk of the county a notice of the appeal, at the same time filing with such clerk a bond, to be approved by the clerk in the sum and condition prescribed in § 69-5-502.