[2] The bridge deposits the highway onto a viaduct which rises above farmland in the alluvial plain.
Fort Defiance marks the confluence of the Mississippi and Ohio Rivers and Illinois' southernmost and lowest points.
The three highway designations come together to head northeast and rise onto the Cairo Ohio River Bridge and into Kentucky.
[3][4] The Great River Road's National Route overlaps US 60/US 62 from the intersection with US 51 to the Kentucky state line.
[10] It was eventually dedicated on November 11, 1938, and made toll free exactly ten years later.