Bridges, tunnels, and other instrumentalities of transportation and communication.

(a) Bridges, tunnels, and other instrumentalities of transportation and communication excluding buildings, their improvements and betterments, their furniture and furnishings, their fixed contents, and their supplies held in storage may be covered by marine and transportation insurance.

(b) The insurance coverage set forth in subsection (a) shall include all of the following:

(1) Bridges, tunnels, and other similar instrumentalities, including auxiliary facilities and equipment attendant thereto.

(2) Piers, wharves, docks, slips, dry docks and marine railways.

(3) Pipelines, including on-line propulsion, regulating, and other equipment appurtenant to such pipelines, but excluding all property at manufacturing, producing, refining, converting, treating, or conditioning plants.

(4) Power transmission and telephone and telegraph lines excluding all property at generating, converting, or transforming station, substations, and exchanges.

(5) Radio and television communication equipment in commercial use as such, including towers and antennae with auxiliary equipment and appurtenant electrical operating and control apparatus.

(6) Outdoor cranes, loading bridges, and similar equipment used to load, unload, and transport.