Indiana Code Title 8. Utilities and Transportation § 8-23-18-5

Sec. 5. If a right of redemption exists in the owner of a interest in real property described in section 4 of this chapter that is asserted in the time and manner allowed and permitted by law, it shall be treated as any other private interest in real property acquired for public use by the department.  However, if the county or municipality has placed any improvements upon the real property after acquiring the real property, the department shall pay the reasonable value of the improvements.  If the reasonable value of the improvements cannot be determined by agreement, the department may proceed in the name of the state in the exercise of the right of eminent domain to condemn and acquire the real property.