Indiana Code Title 8. Utilities and Transportation § 8-23-5-3

Sec. 3. (a) The department may construct a viaduct where a railroad yard and tracks adjacent to a railroad yard intersect the direct route of a through street in a city or town that directly connects with a state highway designated as a principal arterial highway if the owner of the railroad yard or tracks agrees to grant an easement to build a viaduct.  The easement shall be granted without compensation or damages allowed to the owner of the railroad yard or tracks.

(b) A viaduct authorized under subsection (a) shall be constructed according to plans and specifications adopted by the department in the same manner as state highways are constructed.  The department may contract with the owner of the railroad yard or tracks to have the viaduct built by the owner of the railroad yard or tracks.