The M4 Prince of Wales Bridge will be closed overnight eastbound from 9pm-6am until Wednesday 2nd March.
The closure will be in place overnight every night until next Wednesday, with the exception of this Saturday and Sunday when the bridge will remain open.
Motorists travelling westbound from England into Wales will remain unaffected.
A statement from National Highways said:
“M4 Prince of Wales Bridge eastbound carriageway closed overnight for bridge maintenance. Includes westbound safety lane closure. Diversion via M48 Severn Bridge.”