See how to design a Deck Pier Footing using ClearCalcsโ Pier Footing calculator.Download this example as a PDF: Deck Pier Footing [USA Pier Footing]This design example is part 4 of 4 in our โDeck Design Series.โ For more information on how to use ClearCalcs to design a deck,click here.Please be aware that this example should not be used as advice, recommendations, or instructions for engineering design and should only be followed as a guide to using ClearCalcs.