US Bridges

Sc 105 over Irene Creek

Good

Cherokee County, South Carolina · 2.5 MI W of Gaffney · Structure no. 000000000006243

Built
2006
19 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
11,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 105 over Irene Creek is a prestressed concrete stringer/multi-beam or girder carrying Sc 105 over Irene Creek 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 120 ft (36.6 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSc 105
CrossesIrene Creek
Location2.5 MI W of Gaffney
RouteState Highway 105
Coordinates35.06967, -81.67558
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating50 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length120 ft (36.6 m)
Longest span60 ft (18.3 m)
Deck width77 ft (23.5 m)
Roadway width65 ft (19.8 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
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 105 over Irene Creek built?

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

What condition is Sc 105 over Irene Creek 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 Irene Creek carry?

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

How long is Sc 105 over Irene Creek?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 77 ft wide.

Who owns Sc 105 over Irene Creek?

It is owned by the State Highway Agency.