Being from out west, we don't have these cool historic bridges. But when we went through in summer 2020 we made sure to drive over it and weren't disappointed. Really enjoyed seeing it, and researching it with our children to learn it's history.
Drove by it in summer of 2020. If you're close, drive by. Otherwise it's not worth going out of your way for.
We went to the Zoo in July 2020, while there was things you couldn't due to Covid, we still had a great time. The kids had been following along online and knew the animals and were excited to see them. I am not a zoo person at all, but did enjoy myself. The grounds are very beautiful.