Before making or confirming an order or scheme which provides for the construction of a bridge over or a tunnel under navigable waters, the Secretary of State shall take into consideration the reasonable requirements of navigation in the waters affected by the order or scheme.

An order or scheme which provides for the construction of such a bridge shall include such plans and specifications as may be necessary to indicate the position, clearances for the passage of vessels and dimensions of the proposed bridge; and in the case of a swing bridge shall contain such provisions as the Secretary of State considers expedient for regulating its operation.

An order or scheme which provides for the construction of such a tunnel shall include such plans and specifications as may be necessary to indicate the position and dimensions of the proposed tunnel, including the depth thereof below the bed of the sea, river or other navigable waters, as the case may be.

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