The Itchen Bridge was closed for over an hour following two separate incidents.
Motorists faced delays on Sunday afternoon as police shut the bridge to traffic.
Officers have now confirmed they were called just after 4pm to a report of a concern for welfare of a teenage girl.
READ MORE: Cafe trashed and Nazi symbol graffittied after break-in
She was located by officers.
An hour later, a crash involving a car and a motorcycle occurred where one person reported minor injuries.
A road closure was put in place as a result, running between the B3039, Saltmarsh Road, and Manor Road South.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules hereComments are closed on this article