During the time that any highway or bridge is closed for the construction of an expressway under the provisions of subsection (b) of § 13a-115, the provisions of § 13a-149 shall be suspended and inapplicable thereto, provided such municipality shall not be relieved of the cost of repairing such highway or bridge, subject to reimbursement for the cost thereof as provided in § 13a-148. The suspension of the provisions of § 13a-149 and the applicability of subsection (a) of § 13a-115 shall end and said § 13a-149 shall become in full force and effect upon the completion of the repairs to and opening of any highway or bridge of a municipality for general traffic.