La Salle County Highway 38 is a short north-south highway near Mendota. This is located in Northwestern La Salle County. LSCH 38 connects La Salle County Highway 19 to U.S. Federal Route 34. LSCH 38 does not pass through any towns in La Salle County. LSCH 38 intersects the following highways in La Salle County. U.S. Rt. 34, near Mendota. La Salle County Highway 19, near Mendota.