Whenever the condition of any city street or any part thereof is such that for any reason its use or continued use by vehicles or by any class of vehicles will greatly damage such city street or will be dangerous to traffic thereon or is being constructed, altered, repaired, improved or maintained in such a manner as to require that such city street or any portion thereof be closed to traffic by all vehicles or any class of vehicles for any period of time, the street superintendent is authorized to close the city street to travel by all vehicles or by any class of vehicles for such a definite period as he shall determine.
(Ord. 657 § 1, 1969)