It shall be unlawful for any person to erect, keep, or maintain upon or over any sidewalk, street, or public way within the city, or upon or over any part of such sidewalk, street, or public way, any house, fence, wall, building, or structure of any kind, or any post, rail, trees, plantings, or other things that may in any way obstruct, either totally or partially, such street or sidewalk, or that may in any way prevent or impede the full and free use by the public of such entire sidewalk, street, or public way.
(1996 Code, § 11-3.01) Penalty, see § 90.999