SH25A will close from 9.30pm on Wednesday, March 6 until 5am on Thursday, March 7.
Detours will be via SH25 along the Thames coast and Coromandel township or via SH26, SH2 and SH25 through the Karangahake Gorge, Waihī and Whangamatā.
Access for local traffic along SH25A will be maintained up to the bridge from both the east and west.
The full restoration of SH25A at the Taparahi worksite is expected to be completed by the end of March.
Stay up to date with the Waikato Herald
Get the latest Waikato headlines straight to your inbox Monday to Saturday. Register for free today - click here and choose Local News.