Where a tunnel or bridge spans several départements, the management of rescue operations, under the responsibility of the municipal police pursuant to article L. 2212-2, is entrusted, in the event of an accident, disaster or catastrophe, for the road tunnels referred to in article L. 118-1 of the Code de la voirie routière, to the representative of the State competent to act as the administrative authority responsible for safety and designated by ministerial order, and, for other tunnels and bridges, to the representative of the State in the département in whose territory the structure is the longest.