State Highway 123 (abbreviated SH-123) is a state highway in the U.S. state of Oklahoma. It runs a general southwestâÂÂnortheast course for in northern Oklahoma. SH-123 has no lettered spur routes.
SH-123 begins east of Barnsdall, Oklahoma, in Osage County at State Highway 11. It heads north to the Woolaroc Museum before turning northeast. As it approaches the Washington County line, it turns northward to parallel it. SH-123 then enters western Bartlesville, overlapping US-60 for . SH-123 briefly runs eastâÂÂwest before turning north and leaving Bartlesville. It then heads due north until it changes course and runs due east to Dewey, where it terminates at US-75.