Razak:I like the idea, would obviously need to ensure that onramps wouldn't be included. Given that the first picture was basically a bridge under a bridge that brings up the question if that sort of thing is allowed. The main reason I ask is because I know larger cities have that quite frequently (Milwaukee in particular seems rather bad at these types of bridges over bridges thing, moreso I think than its neighbor Chicago which is far bigger, is odd).
That one does go under another bridge, but it is itself a three-way bridge (
satellite shot here).
I don't think I'll pursue this. Via Google, it does seem like prevalence is a problem. On the other hand, the above makes
three within 100 miles of me. They may just not be a Google-able object. Or maybe it's just a Michigan thing.