What is a foot over bridge?

A footbridge (also a pedestrian bridge, pedestrian overpass, or pedestrian overcrossing) is a bridge designed solely for pedestrians. ... Footbridges are often situated to allow pedestrians to cross water or railways in areas where there are no nearby roads

What is the use of over bridge?

An Overbridge is a bridge that is made over an existing road to allow for the movement of a railway line across the road. Sometimes an Overbridge is meant for the pedestrians only when it is made over a railway line as it allows people to cross over without any fear of railways