Why are there no bridges over the Amazon River?

Due to a number of technical and logistical difficulties, as well as meandering through sparsely populated areas, there is no pressing need to build a bridge on the Amazon River.

Why are there no bridges over the Amazon River?
Due to a number of technical and logistical difficulties, as well as meandering through sparsely populated areas, there is no pressing need to build a bridge on the Amazon River.