BayToday reporter Chris Dawson says the woman has come down from the bridge safely at around 8:20 and was greeted by cheers from a crowd of about 30 people.
The fire department used a ladder truck in the rescue.
The highway was closed for approximately one hour.
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The North Bay bypass is closed in both directions at this time after police shut down traffic.
Witnesses report a woman clinging to the outside frame of the Chippewa-Frost St. pedestrian bridge over the highway. OPP describes her as "a person in distress."
Motorists reported the person around 7:30 and were afraid they would jump into live traffic. Apparently a police negotiator is inside the bridge speaking with the woman.
Traffic is being detoured while OPP assesses the situation.
At around 8:15 the fire department was trying to get a ladder up and talk the person down
BayToday will update when more information is made available.