The other place to be identified is the viewpoint. Is Cassatt looking upstream towards Paris or downstream out of the city? The print's title is 'En Tramway', and seems to represent a view from a tram on a bridge. This 1904 map shows that there is no bridge downstream, so it has to be a bridge north of the pont du Point du Jour:
We can suppose that the tram has just passed the statue, and speculate that the woman is gazing upon it:
Something that troubles my thoughts is the position of Bertholdi's statue in the two postcards above. The first is a view north to south and the second is south to north. In both the statue looks east, towards Paris. That is not the statue's current position:
Or she may be thinking of something else entirely.