All streets and alleys heretofore dedicated as such by the original plat of the City, or by any addition thereto, the plat whereof has been accepted and approved by the City Council, as heretofore made a matter of record as provided by law, and all streets and alleys heretofore or which hereafter shall be opened, laid out or established by ordinance, order or resolution of the City Council in matter provided by law, and all streets and alleys lawfully extended through any lands, adjacent to the City over which the City may have jurisdiction, and such as have been laid out, opened, extended or established by ordinance, order or resolution of the City Council and the title thereto acquired by the City for street purposes, are hereby declared to be public highways, and all such ordinances, orders and resolutions are hereby continued in force. (R.O. 1929 Ch. XXXV § 4)