The acquisition, construction, improvement, enlargement, or equipment by a municipality of property or a facility for lease or rental to the United States for use in performing a federal governmental function in the municipality or at or near and relating to a toll bridge of the municipality is a public purpose and a proper municipal function, regardless of whether the toll bridge or the federal facility relating to the bridge is located inside or outside the municipal boundaries.
Tex. Gov't. Code § 1509.213