S-23-978 over Middle Tyger River
FairGreenville County, South Carolina · 11.8 MI N Greer · Structure no. 000000000005300
- Built
- 1968
- 57 years old
- Condition
- Fair
- inspected May 2023
- Type
- Channel Beam
- Prestressed Concrete
- Length
- 30 ft
- 1 main span
- Daily traffic
- 375
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-23-978 over Middle Tyger River is a prestressed concrete channel beam carrying S-23-978 over Middle Tyger River in Greenville County, South Carolina. It was built in 1968, so it is 57 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 5 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 375 vehicles a day, roughly 5% of them trucks, projected to reach 480 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-23-978 over Middle Tyger River built?
It was built in 1968, making it 57 years old in 2025.
What condition is S-23-978 over Middle Tyger River 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 May 2023.
How much traffic does S-23-978 over Middle Tyger River carry?
About 375 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-23-978 over Middle Tyger River?
The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.
Who owns S-23-978 over Middle Tyger River?
It is owned by the State Highway Agency.