((a)) ** Construction** 75 percent of the costs of construction—

((1)) of each project authorized by title III of this Act,

((2)) of the project authorized by , and

((3)) allocated to inland navigation for the project authorized by section 844 of this Act,

((b)) ** Operation and maintenance** The Federal share of the cost of operation and maintenance of any project for navigation on the inland waterways is 100 percent.

((c)) ** Floodgates on the Inland Waterways**

((1)) ** Operation and maintenance carried out by the Secretary** Notwithstanding any other provision of law, the Secretary shall be responsible for the operation and maintenance, including repair, of any flood gate, as well as any pumping station constructed within the channel as a single unit with that flood gate, that—

((A)) was constructed as of , as a feature of an authorized hurricane and storm damage reduction project; and

((B)) crosses an inland or intracoastal waterway described in .

((2)) ** Non-Federal cost share** The non-Federal share of the cost of operation, maintenance, repair, rehabilitation, and replacement of any structure under this subsection shall be 35 percent.

((d)) ** Authorizations from general fund** Any Federal responsibility—

((1)) with respect to a project authorized by title III or , or

((2)) with respect to the portion of the project authorized by section 844 allocated to inland navigation,