STORY: The Amazonas Fire Department said it was looking for as many as 15 people after the collapse of a bridge on the BR-319 highway in the city of Careiro, about 100 kilometers (62 miles) from the state capital Manaus.
It added that another 14 people were injured in the collapse that occurred as some vehicles were crossing the bridge.
Local media outlet G1 quoted multiple witnesses as saying the bridge had a crack that had caused a traffic jam before the collapse.
Due to the collapse of the bridge, locals were forced to cross the river in canoes.
The state government did not immediately respond to a request for comment.