Illinois State Route 89 is the longest north-south highway in Putnam County. It runs along the eastern edge of the county. IL St Rt 89 passes through the following town in Putnam County. Mc Nabb
IL St Rt 89 is not multi-plexed in Putnam County. IL St Rt 89 intersects the following highways in Putnam County. Illinois State Route 71, near Granville.
SB IL St Rt 89 at the Bureau/Putnam County Line. NB IL St Rt 89 south of the Illinois River. SB IL St Rt 89 south of the Illinois River. SB IL St Rt 89 south of the Illinois River. SB IL St Rt 89 south of Spring Valley. SB IL St Rt 89 near Granville. Junction sign on IL St Rt 71. SB IL St Rt 89 north of Mc Nabb. SB IL St Rt 89 in Mc Nabb. SB IL St Rt 89 near IL St Rt 18. A junction marker on WB IL St Rt 18. SB IL St Rt 89 south of IL St Rt 18. SB IL St Rt 89 near Magnolia. SB IL St Rt 89 near the Putnam/Marshall County Line. SB IL St Rt 89 south of Magnolia. NB IL St Rt 89 at the Marshall/Putnam County Line.
