This northern segment carried 4,100 vehicles and 170 trucks in 2007.
By 2007, inspectors determined that the northern segment of the bridge needed replacement.
For more than nine years, the northern segment of the line was physically cut off from the rest of the system.
The entire northern segment was paved to the Missouri state line the following year.
This northern segment became a part of the extended Reichsstraße 75 in 1937.
From there, its northern segment begins just west of here.
The northern segment of route had no number in the 1930s.
The northern segment of the road is still present on Acton peninsula.
The northern segment was replaced by Highway 43 in 1971.
Construction of a new road led to the connection of the two northern segments by 1932.