(1)Provision may be made by an order made by the Minister under this subsection or under section 10 above (orders for trunk roads) for the construction of a bridge over or a tunnel under any specified navigable waters as part of a trunk road.
(2)Provision may be made by a scheme under section 16 above (schemes for special roads) for the construction of a bridge over or a tunnel under specified navigable waters as part of a special road.
(3)Provision may be made by a scheme made by a local highway authority under this subsection, and confirmed by the Minister, for the construction of a bridge over or a tunnel under specified navigable waters as part of a highway or proposed highway which is or is to be a highway (other than a special road) maintainable at the public expense by the authority.
(4)Provision may be made by an order under section 14 above (roads that cross or join trunk or classified roads) or section 18 above (supplementary orders relating to special roads)—
(a)for the construction of a bridge over or tunnel under specified navigable waters as part of a highway which is to be altered or constructed in pursuance of the order;
(b)where the order authorises the highway authority by whom it is made to provide a new means of access to any premises from a highway, for the access to be provided by means of a bridge over specified navigable waters and for the construction of the bridge.
(5)Parts I and III of Schedule 1 to this Act have effect as to the making of an order under subsection (1) above, Parts II and III of that Schedule have effect as to the making of a scheme under subsection (3) above and Schedule 2 to this Act has effect as to the validity and date of operation of any such order or scheme.
(6)A scheme under subsection (3) above may be submitted to the Minister jointly by any two or more local highway authorities, and any such scheme may determine which of those authorities is to be the highway authority for the bridge or tunnel or any part of it, and may provide—
(a)for the performance by that authority, in relation to the bridge or tunnel or that part of it, of any of the highway functions of any other authority who are party to the application, and
(b)for the making of contributions by that other authority to the highway authority in respect of expenditure incurred in the performance of those functions.
(7)References in this section, in relation to any order or scheme, to specified navigable waters are references to such navigable waters (whether the sea, a river or other waters) as may be specified in the order or scheme.
(8)References in the following provisions of this Part of this Act to an order or scheme which provides for the construction of a bridge over or a tunnel under navigable waters are references to any order or scheme made under or by virtue of subsection (1), (2), (3) or (4) above.