Traffic on the Orwell Bridge was stopped temporarily while emergency services dealt with an incident this evening.
A spokesman for Suffolk police confirmed that all lanes were closed but have since reopened.
A spokesman for the Suffolk Fire and Rescue Service said: "We have mobilised a drone to help police locate a man."
A 'stop' call was made at 8.55pm by the fire service.
Suffolk police have also confirmed that the man has been located safe and well.
For up-to-date information about the county's roads, visit our LIVE Suffolk traffic map.
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