Indiana Code Title 8. Utilities and Transportation § 8-16-2-2

Sec. 2. Any such bridge may be so constructed across and over any such river or other stream at any point determined upon and designated by the department, but only with the consent and approval of and subject to the regulations of the proper authorities of the United States having jurisdiction in such matters, whenever such jurisdiction of the United States exists, and with the consent and approval of the proper authorities of such adjoining state or of the United States; and express authority is hereby conferred upon the department to build any necessary part of any such bridge, including the approaches thereto as a part thereof, within the territorial limits of any such adjoining state and for that purpose to utilize any location or right of way provided by such adjoining state, within its boundaries, if such location and right of way be so provided; and if the United States or such adjoining state, or any duly constituted agency of either, shall acquire the necessary personal and real property and easements in real property situate in such adjoining state and suitable for use in the proper, effective and convenient location, construction and operation of such bridge, then and in that event the department is hereby authorized and empowered to take over and acquire, by contract or agreement, and make use of such personal and real property and easements in real property so situate in such adjoining state for the necessary purposes of the effective and convenient location, construction and operation of such bridge, and if unable to procure the necessary personal and real property and easements in real estate in such adjoining state by contract or agreement, after reasonable effort in that direction, then the department shall have the right and it is hereby authorized to take, in the name and on behalf of the state of Indiana, such proceedings for condemnation of such necessary personal and real property and easements in real property in such adjoining state as may be permitted or provided for by the laws of such adjoining state or by the laws of the United States.