Interstate 55 in Arkansas

Interstate 55 (I-55) is a north–south Interstate Highway that has a 72.22-mile (116.23 km) section in the US state of Arkansas connecting sections in Tennessee and Missouri. The route enters Arkansas on the Memphis & Arkansas Bridge over the Mississippi River from Memphis, Tennessee. It travels northward through northeast Arkansas, connecting the cities of West Memphis and Blytheville. I-55 continues into Missouri heading to St. Louis, Missouri. The highway overlaps I-40 in West Memphis and has a junction with I-555, a spur route to Jonesboro, in Turrell. For the majority of its routing through Arkansas, I-55 generally follows U.S. Highway 61 (US 61) and has a 67.08-mile (107.95 km) long concurrency with US 78 from the Tennessee state line in Memphis to Blytheville for most of its length.

This article is about the section of highway in Arkansas. For the entire length of highway, see Interstate 55.

Interstate 55

I-55 highlighted in red
Route information
Maintained by ArDOT
Length72.22 mi (116.23 km)
Existed1957–present
NHSEntire route
Major junctions
South end I-55 / US 61 / US 64 / US 70 / US 78 / US 79 at Tennessee state line
Major intersections US 70 in West Memphis
I-40 / US 79 in West Memphis
US 64 in Marion
I-555 / US 61 / AR 77 in Turrell
US 61 in Blytheville
US 78 / AR 18 in Blytheville
North end I-55 at Missouri state line
Location
CountryUnited States
StateArkansas
CountiesCrittenden, Mississippi
Highway system
  • Main
  • Auxiliary
  • Suffixed
  • Business
  • Future
← AR 54→ AR 56
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