Section 10-8-37 - Construction, repair, and maintenance of bridges, viaducts, and tunnels - Retainage(1) They may construct and keep in repair bridges, viaducts and tunnels, and regulate the use thereof.(2) If any payment on a contract with a private person, firm, or corporation to construct bridges, viaducts, or tunnels is retained or withheld, it shall be retained or withheld and released as provided in Section 13-8-5.Amended by Chapter 365, 1999 General Session.