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Interstate 585 Business (Spartanburg, South Carolina)

Interstate 585 marker

Interstate 585
Route information
Maintained by SCDOT
Length: 2.25 mi (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
Location
Counties: Spartanburg
Highway system
SC 576 US 601

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

Interstate 585 marker

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

I-585 is co-signed the entire length with 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.

This highway was once connected to Interstate 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. The ramps from I-585 Southbound to Business Loop 85 North and South opened on October 9, 2006. The Ramp from I-585 Northbound to Business Loop 85 Northbound is open and the Southbound Business Loop 85 entrance is open. The ramp from Business Loop 85 Southbound to I-585 Northbound is open (it is now a large fly-over ramp that overpasses the East Campus Boulevard exit), and the ramp from Business Loop 85 Southbound to I-585 Southbound has been re-opened as well.

The ramp from Business Loop 85 Northbound to I-585 Southbound is open, and there is no ramp from Business Loop 85 Northbound to I-585 Northbound. The entrance from I-85 Business Loop Southbound to I-585 Northbound adds a lane to I-585 Northbound traffic just in front of the USCU Campus that eventually turns into the "exit only" for I-85 Bypass Northbound. Currently, I-585/US 176 remains a freeway until the interchange with the I-85 bypass. This interchange is not a freeway interchange. Some cars on I-585 must cross oncoming traffic in order to access a certain direction of I-85 Bypass, but the I-85 Bypass traffic has only a normal diamond interchange.


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