For a single senior, the taxable income would be around $30,500.00. Again, that's taxable .. so the portion of the SS payments, that aren't subject to taxation isn't taken into consideration. Remember, that's the federal guideline. Individual states vary.
For some type of extra assistance ... that has no place in IRC. If you really want something of that nature, it would have to come under different legislation. Send emails, faxes and letters to your representatives and senators. Seriously, work on it and get those that are like minded to do the same.