Linking Kangaroo Point to the City Botanic Gardens with a pedestrian and cycling bridge could cost $190 million, Brisbane City Council says.

The proposed bridge is one of five lord mayor Adrian Schrinner announced earlier this year as part of his $550 million green mobility plan for the city.

The proposed bridge would connect Alice and Edward Streets and Scott Street or Thornton Street.

Kangaroo Point had been earmarked for a potential pedestrian bridge years earlier, with a business case commissioned by former lord mayor Graham Quirk.

The council’s preliminary business case for the bridge estimated about 5000 people would use it each weekday to walk or cycle over the river, rather than having to loop around to the Story Bridge or the Go Between Bridge.