Whenever any highway, street, court, or alley, shall be vacated, or hath been vacated, by authority of law, the adjoining owner or owners shall be authorized to reclaim the same, to the centre thereof, unless the ground was originally taken in unequal proportions from the then owners thereof, and in such case, the adjoining owners shall reclaim, in the proportion contributed by such owners, or by those under whom they shall have derived their titles.