Any railroad company established under the laws of Louisiana in order to secure the payment of any obligation contracted by it for the construction of the road, may mortgage their road, in whole or in part; and this mortgage, if given on the entire road, shall bear upon the entire road although it is not completed at the time the mortgage was executed; and this mortgage may also be executed to bind the appurtenances of the road, its warehouses, depots, water stations, locomotives, and the like.
La. R.S. § 45:381