A sidewalk can be a multiuse path. Colloquially the residents of Charleswood wood refer to this section as a sidewalk until the path splits off. I could see the distinction being where the concrete turns to asphalt at the steps, though. I frequent this space on both bike and foot. I would assume you are mapping based on satellite imagery if you do not know this? I will go ahead and revert the feature type to the proper designation. The correct way also conforms with the current feature type of multiuse paths that cross bridges in multiple places in the city such as portage/omands and the maryland bridge.

See the mapping standards below:
https://wiki.openstreetmap.org/wiki/Sidewalks
https://wiki.openstreetmap.org/wiki/How_We_Map