Up to 3 lanes will be closed at any one time on the approach to the bridge and the bridge itself with at least one lane running at all times. In addition, the entry slip road at junction 31 of the M25 will be closed. The closures will take place between Monday 6 July and Friday 31 July (Monday to Friday only). Lanes will be closed between 10pm and 5.30am on Monday to Thursday and between 11pm and 5.30am on Fridays.
Road users wishing to join the clockwise M25 at junction 31 will be diverted to the entry slip road at junction 30.
Members of the public should contact the Highways England customer contact centre on 0300 123 5000.
Journalists should contact the Highways England press office on 0844 693 1448 and use the menu to speak to the most appropriate press officer.