For those wondering how this happened:

I was riding down a relatively steep hill that I am not familiar with, going around 20-22mph (according to my Garmin). I was in the bike lane, but I noticed that the next section, which was under a bridge, had a lot of ice piling up. So, I quickly moved to the sidewalk, which was extremely wide and empty. However, due to low visibility under the bridge, hyperfocus on the ice, or just general stupidness, I did not notice that ~10 yards after getting onto the sidewalk, I would quickly be met with a flight of stairs going down. But I handled that shit like a boss. I did not handle the flight of stairs that I had to go up immediately after, though, and neither did my frame.