Eat Rite-Diner, St. Louis, Missouri

Historical marker location:

622 Chouteau Avenue, Saint Louis, Missouri

( Marker is on Chouteau Avenue (Missouri Route 100), on the left when traveling west.)

Route 66 Roadside Attraction

The Missouri State Penitentiary, located in Jefferson City, was once the oldest operating prison west of the Mississippi River. It opened in 1836 and closed in 2004.