Any incorporated city, in which or adjoining which there is a portion of a navigable or nonnavigable river or stream, either wholly within the State of West Virginia, or partly within the said state, and another state or states, or between the State of West Virginia and any other state, including the Ohio River in this state, from its intersection with the Pennsylvania state line, to the mouth of the Big Sandy River, is hereby authorized and empowered, in its corporate capacity, or through and by means of a bridge commission or other agency to be created or appointed by it, to construct, reconstruct, maintain and operate a highway toll bridge or tunnel, or combination thereof, over or under and across, such river or stream, from such a point within the corporate limits of such city, to such point on the opposite side of such river or stream, either within or without said city, as the said city, through its proper authorities, shall designate and select, for public use in travel, passage and transportation, over or under and across such river or stream, and any such city may also construct, reconstruct, maintain and operate a highway toll tunnel under or through any mountain, hill or embankment, together with any bridges, causeways, fills or other approaches thereto, from a point within the corporate limits of such city to any other point either within or without the corporate limits of such city: Provided, however, That no bridge or tunnel shall be constructed, reconstructed, established or operated, over or under and across any navigable river, or under any mountain, hill or other embankment, without compliance with the requirements, conditions and provisions provided by the Congress of the United States and the laws of the United States, nor without approval of the state road commission of this state; and such city is authorized and empowered to borrow money by means of bonds payable from revenues, or otherwise, and/or to accept grants in part payment therefor from any state or federal governmental agency authorized to make loans, a sum of money sufficient and necessary to pay all costs of construction or reconstruction of such bridge or tunnel, or combination thereof, including approaches thereto, the acquisition of all necessary rights-of- way and all engineering, legal and other expenses necessary thereto or connected therewith, including interest during construction, or reconstruction, as a self-liquidating enterprise or project, within the meaning of the state or federal laws authorizing loans by any such governmental agency. And the county court of any county, in which there is a portion of such river or stream, or on which its county abuts or borders, is likewise authorized and empowered to construct, reconstruct, maintain and operate a highway toll bridge or bridges, or tunnel or tunnels, over or under and across such river or stream, and to construct, reconstruct, maintain and operate a highway toll tunnel under any mountain, hill or other embankment, and to borrow money, as aforesaid, for the construction or reconstruction thereof, in like manner and to the same extent, as such city, and to construct, reconstruct, maintain and operate such bridge or tunnel subject to the same limitations as are hereby imposed in the case of such cities.

Wherever the words "bridge,""toll bridge" or "highway toll bridge" are used in sections thirty-one, thirty-two, thirty-three or thirty-four of this article, or any of the other provisions of this article, the same shall be deemed to include bridges or tunnels, or any combinations thereof, together with any causeways, fills, or approaches necessary therefore.