Schoolcraft County Highway 431 is a north-south highway in Southeastern Schoolcraft County. It runs from Schoolcraft County Highway 432, southeast of Gulliver, to the Seul Choix Pointe Lighthouse.
SB SCCH 431 south of SCCH 432. A guide marker on SB SCCH 431. SB SCCH 431 south of Bull Dog Creek. SB SCCH 431 at it's southern end.
