Looks like that user might be adding false data to OSM per Roadsguy.
https://www.aaroads.com/forum/index.php?topic=25510.msg2539171#msg2539171
I saw the post from Roadsguy yesterday even though the forum seems to be down right now.
EDIT: Marked as solved. If PA 290 is eventually rerouted onto the Bayfront Pkwy (which I think is very unlikely), then we can resurrect this thread.