45 ILCS 185/5-25

(a) An appointment to the bridge authority shall be for a term of 4 years. Each member appointed to the bridge authority: (1) shall hold office for the term of the appointment; (2) shall continue to serve after the expiration of the appointment until a successor is appointed and qualified; (3) remains eligible for reappointment to the bridge authority if the requirements described in Section 5-20 of this Act remain met; and (4) may be removed from office by the other members of the bridge authority with or without cause. (b) A vacancy shall be filled by appointment by the Governor, by and with the advice and consent of the Senate, for the unexpired term. In the case of a vacancy while the Senate is not in session, the Governor shall make a temporary appointment until the next meeting of the Senate, when the Governor shall nominate a person to fill the office. (c) A member of the bridge authority, including a member appointed under Section 5-20, may be reappointed.