Qiaowan translates as ‘Bay Bridge’ and the station is located in the Three Mile River area where there is a bend in the river.
In 2010 due to the adjustment of administrative divisions, Chongwen district was merged into Dongcheng District, and there was local lobbying that Bay Bridge station should instead maintain its original planning name of Chongwen Three Mile River Station; but this was overruled.
Here's the calligraphy displayed in the platform areas...
The pattern found in the escalator enclosures
is found on stone panels on the walls there
and the similar patterns in the glass screens
have a parallel in the tops of the platform columns