U.S. Federal Route 23 is a north-south highway in Eastern Saginaw County. It runs from the Saginaw/Genesee County Line, near Burt, to the Saginaw/Bay County Line, near Bay City. The entire length through Saginaw County is paired with Interstate 75. U.S. Rt. 23 passes through the following towns in Saginaw County. Saginaw
Zilwaukee U.S. Rt. 23 is multi-plexed in Saginaw County. Interstate 75, throughout Saginaw County.
A guide sign on EB MI St Rt 46. SB I-75/U.S. Rt. 23 north of MI St Rt 46. NB I-75/U.S. Rt. 23 north of MI St Rt 46. NB I-75/U.S. Rt. 23 at I-675. A BGS on SB I-675. SB I-75/U.S. Rt. 23 at I-675. A junction marker on EB MI St Rt 81.