A vital crossing over the M4 at Badminton Road will reopen this June after a complete rebuild forced by structural concerns. Drivers, cyclists and pedestrians around junctions 18 and 19 can expect phased access as work finishes and overnight traffic controls are lifted.
Exact opening dates and who can use the new bridge
National Highways has set a two-stage reopening for the A432 Badminton Road bridge.
- June 19 (afternoon) – The bridge opens to pedestrians and cyclists.
- June 20 (from 7am) – All vehicles will be allowed, after overnight removal of traffic management.
Officials describe the structure as a multi-million-pound replacement designed to restore a busy cross-motorway link.
Why the bridge was rebuilt and how fast the project moved
Engineers found the old bridge had serious problems that required demolition and a complete replacement. The work began from a near‑blank slate.
National Highways says the team completed the job in about two and a half years. That pace is roughly half the time typical for projects of similar scale.
Project managers credit close coordination and round‑the‑clock efforts to cut the usual delivery time in half.
Planned M4 closures and lane restrictions motorists must plan for
To finish final works, several overnight closures and lane reductions on the M4 will take place in the coming weeks.
Confirmed schedule
- May 5–9: Overnight full closures both directions, 8pm–6am, between J18 and J19.
- June 1–6: Overnight full closures both directions, 8pm–6am, between J18 and J19.
- June 8–13: Lane closures both directions to complete embankment work.
Motorists are urged to plan alternative routes and allow extra time. National Highways warns that delays are likely if drivers stay in the area during closures.
How the reopening will affect traffic volumes and local journeys
The stretch of M4 near Bath and the M32 is one of the busier weekend corridors.
- Transport estimates put peak weekend passage between J18 and J19 at about 3,000–4,000 vehicles per hour.
- The new bridge restores a key radial link used by local residents, businesses and visitors.
Removing the crossing forced many drivers onto longer routes. Restoring it will ease congestion and shorten commutes.
Local leaders and officials respond to the rebuild
South Gloucestershire councillors welcomed the decision to rebuild and praised teams for delivering the project quickly.
Council leaders said the work began unexpectedly and required rapid design, planning and delivery, all while managing disruption on a busy motorway.
National Highways noted the bridge will bring a significant improvement for communities and commerce in the area.
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