US Bridges

S-2-105 over Horse Creek

Fair

Aiken County, South Carolina · 5.7 MI NW Aiken · Structure no. 000000000006834

Built
1976
49 years old, rebuilt 1997
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
67 ft
3 main spans
Daily traffic
1,300
2023 count
Owner
State
State Highway Agency

About this bridge

S-2-105 over Horse Creek is a steel continuous stringer/multi-beam or girder carrying S-2-105 over Horse Creek in Aiken County, South Carolina. It was built in 1976 and reconstructed in 1997, so it is 49 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,300 vehicles a day, roughly 2% of them trucks, projected to reach 1,729 by 2043. The structure is 67 ft (20.4 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesS-2-105
CrossesHorse Creek
Location5.7 MI NW Aiken
RouteState Highway 105
Coordinates33.61301, -81.80634
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating107.1 US tons
Inventory rating71.1 US tons

Structure

MaterialSteel Continuous
DeckCorrugated steel
Main spans3
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span23 ft (7 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2023)
Projected traffic1,729 by 2043
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$290,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-2-105 over Horse Creek built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1997.

What condition is S-2-105 over Horse Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2025.

How much traffic does S-2-105 over Horse Creek carry?

About 1,300 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-2-105 over Horse Creek?

The structure is 67 ft (20.4 m) long with a longest span of 23 ft (7 m) and a deck 16 ft wide.

Who owns S-2-105 over Horse Creek?

It is owned by the State Highway Agency.