(1) “Bridge” means the Delaware Memorial Bridge over the Delaware River and all approaches thereto and approach highways and all other buildings or structures connected with the Bridge and all equipment essential to the operation thereof and also all property rights, easements and franchises relating thereto and deemed necessary or convenient for the construction or operation thereof and may include any highways connecting the Bridge with a state road.

(2) “Cost of Bridge” or “cost of construction” means the cost of construction, the cost of all lands, properties, rights, easements, franchises, ferries and ferry equipment acquired, the cost of all machinery and equipment, financing charges, interest prior to and during the construction and for 1 year after such Bridge is opened for public use, cost of traffic estimates and of engineering data, engineering and legal expense, cost of plans, specifications, surveys, estimates of costs and of revenues, other expenses necessary or incident to determining the feasibility or practicability of the enterprise, administrative expense, insurance or bond premiums and such other expenses as may be necessary or incidental to the financing of the Bridge, as defined in this section, the construction thereof, the placing of the same in operation and the condemnation of property necessary for such construction and operation and any obligation or expense incurred by or on behalf of the Department or by any corporation, board or authority for traffic surveys, borings, preparation of plans and specifications and other engineering services which may be utilized by the Department in the construction of the Bridge or incurred for legal expenses in connection with the authorization of the construction or financing of the Bridge shall be regarded as a part of the cost of such Bridge.

(3) “Department” means the Department of Transportation or if the Department is abolished, any board, commission or officer succeeding to the principal functions thereof or to whom the powers given by this chapter to the Department shall be given by law.

(4) “Owner” includes all persons having any title or interest in any property, rights, easements or franchises authorized to be acquired by this chapter.

(5) “Project” includes the Bridge and all additions thereto and improvements thereof, the construction of which is authorized under this chapter.