Route 128
MO 128 highlighted in red
Route information
Maintained by MoDOT
Length	1.215 mi[1] (1.955 km)
Major junctions
South end	Route 146 west of Trenton
North end	Crowder State Park
Location
Country	United States
State	Missouri
Highway system
Missouri State Highway System Interstate US State Supplemental
← Route 127 → Route 129

Route 128 is a short highway in Grundy County. Its northern terminus is at Crowder State Park northwest of Trenton; its southern terminus is less than three miles (5 km) south at Route 146. Despite being an even number, which normally runs east-west in Missouri, Route 128 is a north-south highway.

Route 128 begins at an intersection with Route 146 west of Trenton, heading north as a two-lane undivided road. The route runs through forested areas of Crowder State Park, passing to the west of Crowder Lake. Route 128 curves west and reaches its northern terminus within the state park.^[1]

The entire route is in Grundy County.

Location	mi[1]	km	Destinations	Notes
Trenton	0.000	0.000	Route 146
Crowder State Park	1.215	1.955	End of state maintenance
1.000 mi = 1.609 km; 1.000 km = 0.621 mi