Hi Ed,

As you can see from the History, tweaking Ross Island Bridge bike permissions is somewhat of a regular tradition here in Portland OSM ;-)

Do you have any written or in-person evidence that bikes are indeed prohibited on the main roadway and required to be on the north path? (Besides the fact that no sane biker would use the roadway). Oregon state law is pretty explicitly permissive about legally allowing bikes just about everywhere except for an extremely small list of exceptions. If you're using some app that utilizes OSM and is routing bikes on the RIB in a way that seems too dicey then we might be able to find a tagging solution that works for everyone.