Cleveland Bridge: Weight Limit

It is clear that from the south coast to the M4, there is a shortage of suitable routes to take north-south traffic. For example, routes travelling east to west move at approximately 60 mph, but north-south routes travel at 30 mph. The impact is not just about lorries going through villages, but the loss of economic activity and efficiency.

Over the past few years, Wiltshire Council, Dorset Council and Bath and North East Somerset Council have formed an alliance. They recognised that, however much investment they made as local authorities, it would not be enough to fund the improvement of any one route. Additionally, if any authority favoured a particular route, it would become politically very challenging. I thank all colleagues across those three local authorities for the work they have put in so far, working together on a complex set of circumstances.

The alliance threw the question back to the Government and asked for an economic study to take place, and the relatively simple question was: which is the best route, and how do we improve it? This is now called the strategic study and is being undertaken by Highways England as part of its road improvement strategy. Highways England and the Government now have ownership of the issue. The A350 has been selected to be looked at in-depth.

I am grateful to the Minister, Baroness Vere from the other place, for responding to me in her letter on 22 October. She wrote that the improvement strategy will review the case for adopting the A350 corridor as the main strategic route in place of the A36/A46 and will consider the case for trunking or detrunking these key roads. The study alone will take until approximately 2023 to complete and then, if adopted, the third phase of the road improvement strategy will provide the framework to implement and pay for the necessary upgrades. In the meantime, Cleveland bridge will be closed for much of next year as urgent repairs to the structure are carried out. I am grateful to the Department for Transport for making funds available.

As I said before, Cleveland bridge is a grade II* listed structure. In their 1992 report, the engineers who carried out the last set of repairs stated that they did so on the understanding that the then local authority would exclude the heaviest vehicles. That never happened. In fact, it got worse.

The challenge of a listed heritage asset is that you have to work with the structure as it is listed. You cannot replace the Victorian ironwork—because it is listed. You cannot replace the 1920s concrete deck—because it is listed. You can only repair and strengthen them, but they will never be stronger than when they were new, and when they were new, they were never expected to carry the very heavy vehicles that are being used today. The innovation of the bridge’s design, in both the early 19th and 20th centuries, is recognised in its listing, but those designs never envisaged that the bridge would be on a modern primary road network, with all that that entails.

Through the setting of periodic road investment strategies, the Government set out their strategic vision for the network and specify what Highways England must deliver in terms of road enhancements and day-to-day performance. To inform the content of the strategies, the Department and Highways England develop a substantial evidence base about the network, its current performance and likely future pressures. This is a product of several years of research, analysis, public engagement and consultation. These issues are of central importance in and around the city of Bath, and any long-term solution for reducing the impact of traffic at the Cleveland bridge will need to acknowledge and respond to this sensitive and deeply valued setting in relation to the natural, built and historic environment.

The hon. Member mentioned the strategic study. In situations where there is a recognised substantial problem or gap in current transport infrastructure, the Department commissions such a study to examine the issues and consider options that could address them. The unsatisfactory nature of the A36/A46 route passing Bath has long been acknowledged. The present dualled A4/A46 trunk road, the Batheaston bypass, was opened in 1996, but proposals to link the A4 to the A36 at Bathampton were rejected following a public inquiry. I am grateful to the hon. Lady for providing a lot more detail on the history associated with that to the House.

Subsequent proposals to revisit the options at that location, promoted by the local authority in connection with proposals for an eastern park and ride site, have not resolved the issue. There is a general recognition of the substantial factors that constrain choices for making meaningful improvements. In that light, the second road investment strategy committed Highways England to carrying out such a strategic study that will review north-south connections between the M4 and the Dorset coast. That will include a review of the case for adopting the A350 corridor as the main strategic route for the area in place of the A36/A46 via Bath and will consider the case for the trunking or de-trunking of key routes. So I hope I can reassure the hon. Lady that both Highways England and officials in the Department will engage with the Western Gateway as well as with a range of local stakeholders as the study develops. I should add that decisions about how Bath is best linked to the major destinations are for the relevant local highway authority to make.