The bike lane that suddenly doubles as a right turn lane always makes me nervous, but having said that ... I haven't ever actually had an accident with one.
You seem to be incentivizing drivers to run over pedestrians.
Here in Los Angeles they solved this problem by just never giving turning cars the right of way with a protected arrow. You just have to wait in the intersection until the light turns red and then turn.
This is common in Austin, especially downtown. Green light for turning + Pedestrian has a walk sign. It's dangerous, and people get hit all the time.