10:13 PM: Police are investigating an incident in which a motorcycle rider was hurt on the Admiral Way hill north of the West Seattle Bridge [map]. Admiral is blocked both ways at the scene. Updates to come.
10:23 PM: Admiral will likely be closed a while, as police tell us the Traffic Collision Investigation Squad is being called out. Earlier radio communication suggested this msy have involved another vehicle but police have no description to share so far. The injured rider is male and being taken to the hospital.
11:11 PM: SFD spokesperson Kristin Tinsley tells WSB the rider is a 44-year-old man, transported in critical condition.
12:48 AM: Police just announced via radio communication that Admiral Way has reopened. We will follow up later this morning to see what more we can find out about the circumstances.
12:20 PM: The rider remains in critical condition, in intensive care, at Harborview Medical Center.