Oregon Revised Statutes Cities § 221.470

(1) All property and materials (including poles, posts, towers, wires, conduits, mains, pipes, rails, tracks, ties, railways, pole lines, telegraph, telephone or electric transmission lines, or structures or equipment of any kind) placed in, on, upon, over, under or beneath any public highway, street or alley of this state or municipal corporation, under or by virtue of any grant, privilege or franchise, shall be removed by the owners or owner of the same within one year after the expiration of the grant, privilege or franchise, which permitted the erection or installation of the same, unless further time is granted by the municipal corporation having authority so to do.

(2) Except as otherwise provided in subsection (3) of this section, if all the property and materials referred to in subsection (1) of this section are not removed within one year after the termination or expiration of the grant, privilege or franchise or such further time as may be granted by the state or municipal corporation, all and every part thereof shall be forfeited and escheated to the state or municipal corporation wherein situated.

(3) The state or municipal corporation may notify the owner of the property and materials referred to in subsection (2) of this section that it waives forfeiture and escheat under subsection (2) of this section and may thereafter compel removal of such property and materials from the public highways, streets and alleys and restoration of the public highways, streets and alleys and may maintain court suit to require such removal and restoration by the owner or the payment of the cost thereof by the owner.