Heavy rainfall this week has caused creeks in the Mission Valley to overflow their banks, leaving some residents dealing with the aftermath.Heather Roan Robbins lives just off North Crow Creek near Ronan. While the creek has flooded before, this week's heavy rainfall proved to be too much for the bridge that provides access to her home.(WATCH: Heavy rainfall floods Mission Valley creeks, leaves Ronan resident cut off from home) Heavy rainfall fl…