 Interstate 55 | ||||
|---|---|---|---|---|
 I-55 highlighted in red | ||||
| Route information | ||||
| Maintained by MoDOT | ||||
| Length | 210.45 mi[1] (338.69 km) | |||
| Existed | 1956–present | |||
| NHS | Entire route | |||
| Major junctions | ||||
| South end |  I-55 at Arkansas state line | |||
| North end |   I-55 / I-64 / US 40 in St. Louis | |||
| Location | ||||
| Country | United States | |||
| State | Missouri | |||
| Counties | Pemiscot, New Madrid, Scott, Cape Girardeau, Perry, Ste. Genevieve, Jefferson, St. Louis, City of St. Louis | |||
| Highway system | ||||
| ||||
Interstate 55 (I-55) in the US state of Missouri runs from the Arkansas state line to the Poplar Street Bridge over the Mississippi River in St. Louis.
- ^ "Route Log and Finder List - Interstate System - table 1". Federal Highway Administration. October 31, 2002. Retrieved July 8, 2007.