Subject to the provisions of this section, an order authorising the compulsory acquisition of a right by a highway authority under section 254 above for a purpose specified in section 254(1)(a) or (b) shall, except so far as may be otherwise agreed, provide that the bridge or approaches to which the order relates is to be constructed, reconstructed or altered, as the case may be, and maintained, at the expense of the highway authority.
Where an order is made authorising the compulsory acquisition of a right by a highway authority under section 254 above for the purpose of substituting a bridge for a level crossing over a railway, the expenses of the construction and maintenance of the bridge and of the approaches to the bridge shall, subject to subsection (3) below, be defrayed either—
Unless otherwise agreed—
Where by virtue of an agreement or award made under subsection (2) above the railway owners are required to contribute to the expenses of a highway authority the contribution shall, at the option of the railway owners, be paid—
Where by means of an order authorising a compulsory acquisition under section 254 above a highway authority acquire a right from a local authority or statutory undertakers any additional expense which, in consequence of—
is thereafter incurred by the local authority or statutory undertakers in connection with the widening or alteration, on land which was vested in them before the making or confirmation of the order, of any railway, canal, inland navigation, dock, harbour, works or apparatus belonging to them, shall be defrayed by the highway authority.
Any question whether any such additional expense as is mentioned in subsection (5) above has been incurred as there mentioned, or as to the amount of any such additional expense, shall, in default of agreement, be determined by arbitration.
An order authorising the compulsory acquisition of a right by a highway authority under section 254 above for the purposes of a system of road drainage shall, except so far as may be otherwise agreed, provide that the system is to be constructed and maintained at the expense of the highway authority.