25/10/2025
For those travelling further along the M4 this weekend.
Weekend warning for M4 drivers near Bristol
The M4 will be closed in both directions between Junction 18 (Bath) and Junction 19 (M32) from 7pm on Friday 24 October 2025 until 6am on Monday 27 October 2025.
The shutdown is needed so eight large steel beams can be lifted into place for the new A432 Badminton Road Bridge. Specialist cranes will install the beams in pairs over the weekend, marking a major project milestone.
A signed diversion will route traffic via the A46, A420, A4174 and the M32. Local roads around East Bristol are likely to be busy. If you must travel, follow the yellow diversion signs rather than your sat nav and allow extra time.
What to know
• Where: M4 between J18 and J19, both ways
• When: 7pm Fri 24 Oct to 6am Mon 27 Oct
• Why: lifting eight bridge beams into place for the A432 Badminton Road Bridge
• Diversion: A46 → A420 → A4174 → M32 (and reverse)
National Highways says the full closure is essential to keep crews and drivers safe during the lifts. Once complete, the new bridge will help reconnect drivers, businesses and nearby communities that have been split by the closure. This is expected to be the last full-weekend closure for the scheme.
