Every person creating or maintaining any telegraph or telephone line within the city shall erect and maintain the same upon planed and painted posts or other structures, sufficiently high so that the wires shall in no manner interfere with travel, trade or traffic within the city, and shall at all times keep the streets or alleys in good repair at and around the base of such posts or other structures, where the same are set in the streets or alleys. (Prior code § 26.01.056)