This article applies only to the following:
(a) Any person who on August 14, 1929, held a franchise for a toll bridge or operated a toll bridge under such a franchise, or to any toll bridge franchise existing on that date.
(b) Any person who on August 21, 1933, held a franchise for a toll ferry or operated a toll ferry under such a franchise, or to any toll ferry franchise existing on that date.
This article does not apply to or affect any ferry owned or operated as a municipal ferry by any city over waters situated in whole or in part within the limit of such city.