Answer: awesome!

There's a short, low-quality video we're only learning about now, but it's tickling our imagination and forcing us to contemplate how to get up there ourselves.  (Also, can we bungee jump off this thing?  The city could probably close its budget deficit by charging for terrifying tours/jumps…)

Also, here's what it looks like when Sutro sees its shadow:

[via Monkey Brains' Twitter]