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Aust Parish Council
Transport

Severn Bridge works August and September

National Highways have announced closures and lane restrictions on the Severn Bridge this summer, for trials of a new resurfacing technique.

Published: 4 June 2026

View of traffic approaching the Severn Bridge

National Highways will be resurfacing a 200m section of the bridge this summer as a trial of machine laying. Lane restrictions will be in place from Saturday 1st August until Sunday 27th September, with some full closures overnight.

The original bridge design and construction in the 1960s featured a 35mm mastic asphalt surfacing that was laid by hand.
This was replaced between 1989 and 1991 with the same thickness of material. Any new surfacing needs to be laid at the same thickness of just 35mm, compared to 40mm+ on more modern bridge structures, to ensure weight across the structure is not increased above that for which it was designed.
Once the trial surface has been laid, regular inspections will take place to ensure the surface remains in sound condition. If the trial is successful, National Highways will be fully resurfacing both carriageways in 2027 and 2028.

This planned maintenance work will improve the bridge’s resilience, reduce the risk of future unplanned closures and help future proof the structure for years to come, allowing business to operate effectively, creates employment opportunities and unlocks regional development.

More information can be found on the National Highways webpage: Severn Bridge travel updates.

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