Global InformationMissouri Route 84 information
Route 84 | ||||
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 Route 84 highlighted in red, Route 84 Spur in blue | ||||
| Route information | ||||
| Maintained by MoDOT | ||||
| Length | 30.215 mi[1] (48.626 km) | |||
| Existed | 1921–present | |||
| Major junctions | ||||
| West end |  AR 90 at Arkansas state line | |||
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| East end |    I-155 / US 412 / Route Y in Caruthersville | |||
| Location | ||||
| Country | United States | |||
| State | Missouri | |||
| Counties | Dunklin, Pemiscot | |||
| Highway system | ||||
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Route 84 is a state highway in the Missouri bootheel. The route starts at Arkansas Highway 90 (AR 90) over the St. Francis River on the Arkansas–Missouri state line. The road travels eastward to Kennett, where it becomes concurrent with U.S. Route 412 (US 412). East of Kennett, the concurrent routes travel eastward on a divided highway to Hayti Heights, where the concurrency ends. Route 84 travels through Hayti Heights and Hayti, and it crosses Interstate 55 (I-55) and US 61. The route then travels southeastwards to Caruthersville, and bypasses the central area of the city. In the southern part of Caruthersville, Route 84 ends at an interchange with I-155 and US 412.
The route was designated in 1921, from the Arkansas state line to Caruthersville, as part of the new state highway system. The route was opened by 1926, and it became one of the most used routes in southeast Missouri within one year. Route 84 was fully paved by 1932. In 1957, a new bypass was opened in Caruthersville, and the route was rerouted onto it. Two interchanges were built at interstate highways; the one at I-55 opened by 1971, and I-155 by 1977.
- ^ Missouri Department of Transportation (May 11, 2012). MoDOT HPMAPS (Map). Missouri Department of Transportation. Retrieved May 11, 2012.