(SDOT screengrab from 3:45 pm) 6:37 PM: If you’re heading back this way from points north of downtown, note that SB Highway 99 is closed from Denny, just before the Battery Street Tunnel, to Columbia. This is in the aftermath of a fire under the Alaskan Way Viaduct that closed NB 99 for a short … Continue reading TRAFFIC ALERT UPDATE: Highway 99 reopens both ways after fire under Viaduct