I think Emmy really enjoyed this plan too because we just kept happening upon ice cream shop after ice cream shop!
We are ice cream experts in all sorts of places now because of her love of ice cream.
Instead of opening and closing, when boats need to pass, the bridge moves aside to create an entry or exit for them.
It also means that people can stay on the bridge if need be, although the bridge guard will, of course, encourage you to exit asap if a boat is coming.