US Bridges

Sc 105 over I-85

Good

Cherokee County, South Carolina · 3.0 MI NW Gaffney · Structure no. 000000000002678

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
180 ft
2 main spans
Daily traffic
11,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 105 over I-85 is a steel continuous stringer/multi-beam or girder carrying Sc 105 over I-85 in Cherokee County, South Carolina. It was built in 2006, so it is 19 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 11,900 vehicles a day, roughly 8% of them trucks, projected to reach 16,779 by 2043. The structure is 180 ft (54.9 m) long and 90 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSc 105
CrossesI-85
Location3.0 MI NW Gaffney
RouteState Highway 105
Coordinates35.08258, -81.70596
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating42.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length180 ft (54.9 m)
Longest span91 ft (27.7 m)
Deck width90 ft (27.4 m)
Roadway width77 ft (23.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,900 (2023)
Projected traffic16,779 by 2043
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

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 Sc 105 over I-85 built?

It was built in 2006, making it 19 years old in 2025.

What condition is Sc 105 over I-85 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 November 2023.

How much traffic does Sc 105 over I-85 carry?

About 11,900 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Sc 105 over I-85?

The structure is 180 ft (54.9 m) long with a longest span of 91 ft (27.7 m) and a deck 90 ft wide.

Who owns Sc 105 over I-85?

It is owned by the State Highway Agency.