No double damages.

Iowa Code § 6A.18, under EMINENT DOMAIN LAW (CONDEMNATION).

Iowa Code § 6A.18

Owners of abandoned right-of-way which was originally condemned for rail purposes shall not receive additional compensation unless the track materials were removed prior to the second condemnation. [C73, §1261; C97, §2016; C24, 27, 31, 35, 39, § 7820; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §471.18 ] 83 Acts, ch 121, §14 C93, §6A.18