(1) No member, engineer, superintendent or foreman of the bridge commission shall:
(a) Be employed by or hold any official or pecuniary relation to any person selling or furnishing material for the construction, improvement or maintenance of the bridge;
(b) Be a candidate for or hold any public office other than that of commissioner; or (c) Be a member of any political committee.
(2) No commissioner shall be an employee under the bridge commission.
(3) If any commissioner, engineer, superintendent or foreman violates the provisions of paragraph (b) or (c) of subsection (1) of this section, his office or position shall be ipso facto vacated.