English for Today by Ganiu Abisoye Bamgbose (Dr GAB)
English in Use
You could have used the ~pedestrian bridge~ (nonstandard).
You could have used the footbridge (standard).
I saw student moving in ~drove~ yesterday (nonstandard).
I saw student moving in droves yesterday (standard). If you say that people are going somewhere or doing something in droves, you are emphasising that there is a very large number of them.
He is the ~life wire~ of the group (nonstandard).
He is the live wire of the group (standard).
GAB

Doc, you are doing a nice job.
Footbridge is the same as pedestrian bridge. How is one standard and the other not? Pedestrian is more often used especially in relationship to…crossing, …bridge …