The governing body of any county or counties issuing its or their bonds under the provisions of this article shall have power to make and enter into all contracts or agreements necessary or incidental to the execution of its powers under this article, may employ engineering and construction experts, inspectors, attorneys, and such other employees as may be deemed necessary, and may fix their compensation. All such compensation and all expenses incurred in carrying out the provisions of this article shall be paid solely from funds provided under the authority of this article, and no liability or obligation shall be incurred hereunder beyond the extent to which money shall have been provided under the authority of this article. All public or private property damaged or destroyed in carrying out the powers granted under this article shall be restored or repaired and placed in its original condition, as nearly as practicable, or adequate compensation made therefor out of funds provided by this article.

The powers and duties of counties and the governing bodies thereof hereinabove enumerated in this article shall not be construed as a limitation on the general powers or duties of such counties or the governing bodies thereof. It shall be the duty of the governing body of any county or counties issuing its bonds pursuant to the provisions of this article, in addition to the powers and duties enumerated in this article, to do and perform any and all things and acts necessary in the construction, maintenance, and operation of any bridge to be constructed under the provisions of this article, to the end that such bridge or bridges may become and be operated free of tolls as early as possible and practicable, subject only to the express limitations of this article and the limitations of the other laws and constitutional provisions applicable thereto.