Penderfynwyd ar y dyddiad dechrau rhag amharu ar draffig gwyliau’r haf a disgwylir i’r gwaith ddod i ben ddiwedd haf 2025 – cyn 200mlwyddiant y bont ym mis Ionawr 2026.
The start date has been chosen to minimise disruption over the summer holidays and work is expected to be completed the end of summer 2025 - ahead of the bridge’s bicentenary in January 2026.