The £37 million bridge had been shut since Boxing Day because of a faulty electronic sensor.
The £37m Twin Sails Bridge, that links the town with Hamworthy, has been closed for nearly two weeks due to a fault with its lifting system.
The Twin Sails Bridge will close for up to one week from next Monday to enable annual maintenance works to be carried out.
The Twin Sails Bridge officially opened twelve days ago, but is still closed to traffic after cracks appeared in its tarmac.
1,500 people are to attend a party amid a royal visit to the new Twin Sails bridge opened in Dorset on Friday.