Interstate 585

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Interstate 585 marker

Interstate 585
Route information
Maintained by SCDOT
Length: 2.25 mi[1][2] (3.62 km)
Existed: 1962 – present
Major junctions
South end: US 176 / US 221 / SC 9 in Spartanburg
North end: I-85 Bus. / US 176 near Spartanburg
Counties: Spartanburg
Highway system
SC 576 US 601

Interstate 585 (I-585) is a spur route of I-85, which connects Spartanburg, South Carolina in the United States.

Route description[edit]

I-585 is co-signed the entire length with U.S. Route 176 (US 176) and it uses US 176's exit number system instead of its own. Between exits 23 (I-85 Business) and 25B (US 221) the road is a freeway but has substandard or no shoulders. To the south of exit 25B, US 176 becomes boulevard grade, where I-585 ends.[3]


The location of I-585 was planned as I-26 in this 1955 map. The connection along US 221 was never built.

This highway was once connected to I-85 from opening until 1995; that year, I-85 was moved north to bypass Spartanburg, leaving I-585 an orphan, segregated from the rest of the Interstate Highway system. There is a project underway to extend I-585 along US 176 to I-85's new location.[4] The ramps from I-585 southbound to I-85 Bus. north and south opened on October 9, 2006; subsequent ramps between the two roads have since been reopened including a large fly-over ramp that overpasses the East Campus Boulevard exit.[citation needed]

Currently, US 176 remains a freeway north of the I-85 Bus. interchange until a traffic signal with Upper Valley Falls Road, prior the interchange with I-85. Some vehicles on US 176 must cross oncoming traffic in order to access a some directions of I-85 as it is a typical diamond interchange.

Exit list[edit]

The entire route is in Spartanburg County.

Location mi[2][3] km Exit Destinations Notes
Southern ShopsValley Falls line 0.0 0.0 I-85 / US 176 west – Charlotte, Greenville, Inman Future northern terminus; west end of US 176 overlap, at-grade interchange
0.8 1.3 Valley Falls Road Exit open, not formally part of I-585
1.3 2.1 East Campus Boulevard – USC Upstate Exit open, not formally part of I-585
23 I-85 Bus. – Charlotte, Greenville Signed as exits 23A (south) and 23B (north)
24 California Avenue
25A SC 9 north – Boiling Springs North end of SC 9 overlap; no northbound entrance
25B US 221 – Chesnee, Roebuck
Spartanburg 2.25 3.62 US 176 east / SC 9 south (Pine Street) Continuation as US 176/SC 9
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

Interstate 585 Business[edit]

Interstate 585 Business
Location: Spartanburg, South Carolina
Length: 1.60 mi[5] (2.57 km)
Existed: 1959–Unknown

Interstate 585 Business (I-585 Bus) was a boulevard-grade business spur of I-585 along Pine Street, between Whitney Road (US 221) and St. John Street (US 29). It ran concurrently with US 176 and SC 9. Sometime between 2000 and 2012, the route was removed, with no current state or federal maps listing it, nor any physical signage.

See also[edit]


  1. ^ "Route Log and Finder List - Interstate System: Table 2". FHWA. Retrieved 2007-10-04. 
  2. ^ a b "Statewide Highways (shapefile)" (zip). South Carolina Department of Transportation. September 29, 2017. Retrieved December 8, 2017. 
  3. ^ a b Google (May 20, 2013). "Interstate 585" (Map). Google Maps. Google. Retrieved May 20, 2013. 
  4. ^ "Interstate 585". Retrieved 5 October 2014. [self-published source]
  5. ^ Google (May 19, 2013). "Business Spur 585" (Map). Google Maps. Google. Retrieved May 19, 2013. 

External links[edit]

Route map: Google

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