US Bridges

I-85 SB over Sc 85 SB

Good

Spartanburg County, South Carolina · 6.0 MI W of Spartanburg · Structure no. 000000000008673

Built
1993
32 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
382 ft
3 main spans
Daily traffic
40,250
2023 count
Owner
State
State Highway Agency

About this bridge

I-85 SB over Sc 85 SB is a steel continuous stringer/multi-beam or girder carrying I-85 SB over Sc 85 SB in Spartanburg County, South Carolina. It was built in 1993, so it is 32 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40,250 vehicles a day, roughly 20% of them trucks, projected to reach 50,313 by 2043. The structure is 382 ft (116.3 m) long and 63 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-85 SB
CrossesSc 85 SB
Location6.0 MI W of Spartanburg
RouteInterstate 85
Coordinates34.96472, -82.03278
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length382 ft (116.3 m)
Longest span180 ft (54.9 m)
Deck width63 ft (19.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,250 (2023)
Projected traffic50,313 by 2043
Trucks20%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-85 SB over Sc 85 SB built?

It was built in 1993, making it 32 years old in 2025.

What condition is I-85 SB over Sc 85 SB in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does I-85 SB over Sc 85 SB carry?

About 40,250 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is I-85 SB over Sc 85 SB?

The structure is 382 ft (116.3 m) long with a longest span of 180 ft (54.9 m) and a deck 63 ft wide.

Who owns I-85 SB over Sc 85 SB?

It is owned by the State Highway Agency.