Missouri State Route 799 is a short east-west highway in the City of St. Louis in Eastern Missouri. This is an unsigned numbered highway on the State of Missouri's portion of the Martin Luther King Jr. Bridge across the Mississippi River. It runs from the Missouri/Illinois State Line to Interstate 70. MO St Rt 799 is not multi-plexed in St. Louis. MO St Rt 799 intersects the following highway in St. Louis. Interstate 70.
WB MO St Rt 799 at the Missouri State Line. WB MO St Rt 799 over Lacledes Landing.
