S-4-904 over Rocky River
GoodAnderson County, South Carolina · 2.7MI NE Anderson · Structure no. 000000000003581
- Built
- 2011
- 14 years old
- Condition
- Good
- inspected January 2025
- Type
- Slab
- Prestressed Concrete
- Length
- 170 ft
- 3 main spans
- Daily traffic
- 4,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-4-904 over Rocky River is a prestressed concrete slab carrying S-4-904 over Rocky River in Anderson County, South Carolina. It was built in 2011, so it is 14 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 4,600 vehicles a day, roughly 5% of them trucks, projected to reach 5,888 by 2043. The structure is 170 ft (51.8 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-4-904 over Rocky River built?
It was built in 2011, making it 14 years old in 2025.
What condition is S-4-904 over Rocky River 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 January 2025.
How much traffic does S-4-904 over Rocky River carry?
About 4,600 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-4-904 over Rocky River?
The structure is 170 ft (51.8 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.
Who owns S-4-904 over Rocky River?
It is owned by the State Highway Agency.