Today it is common for an offender of a mild crime to receive community service instead of jail time. one way that offenders can earn community service hours is by picking up trash on the side of the road. what type of corporal punishment is this considered?

This type of corporal punishment is called humiliation

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.