This is not like a covered bridge, of which there are a lot in Vermont, but an actual one-lane, floating bridge. It crosses Sunset Lake and is so quintessential Vermont, it defies understanding, that such a place actually exists.
Steam cleaning and dry cleaning may be necessary. If these measures fail, you need to get rid of your pet -- let your doctor be your guide. Removing other allergens may be easier, (emotionally anyway), dust mites, for example, can be controlled by diligent cleaning, again, especially in the bedroom. This includes curtains, blinds, and all bedding. Some sources recommend encasing your bedding in a plastic or rubber wrapping.
You can consume one teaspoon of honey, three times in a day, on a daily basis to get rid of seasonal allergies. Honey can also be added to your tea and other drinks, in place of a sweetener, and included in other forms in your diet.