S-12-355 over Trib to Little Rocky CR
PoorChester County, South Carolina · 7.7MI NW Great Falls · Structure no. 000000000004963
- Built
- 1967
- 58 years old
- Condition
- Poor
- inspected January 2025
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 60 ft
- 2 main spans
- Daily traffic
- 50
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-12-355 over Trib to Little Rocky CR is a prestressed concrete channel beam carrying S-12-355 over Trib to Little Rocky CR in Chester County, South Carolina. It was built in 1967, so it is 58 years old, older than the South Carolina average of 48 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 50 vehicles a day, projected to reach 64 by 2025. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-12-355 over Trib to Little Rocky CR built?
It was built in 1967, making it 58 years old in 2025.
What condition is S-12-355 over Trib to Little Rocky CR in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2025.
How much traffic does S-12-355 over Trib to Little Rocky CR carry?
About 50 vehicles per day (2023 count).
How long is S-12-355 over Trib to Little Rocky CR?
The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.
Who owns S-12-355 over Trib to Little Rocky CR?
It is owned by the State Highway Agency.