S-46-710 over I-77
FairYork County, South Carolina · 2.9 MI SE Rock Hill · Structure no. 000000000007186
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 296 ft
- 4 main spans
- Daily traffic
- 7,700
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-46-710 over I-77 is a steel stringer/multi-beam or girder carrying S-46-710 over I-77 in York County, South Carolina. It was built in 1978, so it is 47 years old, younger 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 7,700 vehicles a day, roughly 4% of them trucks, projected to reach 10,241 by 2043. The structure is 296 ft (90.2 m) long and 43 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 | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S-46-710 over I-77 built?
It was built in 1978, making it 47 years old in 2025.
What condition is S-46-710 over I-77 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 April 2023.
How much traffic does S-46-710 over I-77 carry?
About 7,700 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is S-46-710 over I-77?
The structure is 296 ft (90.2 m) long with a longest span of 92 ft (28 m) and a deck 43 ft wide.
Who owns S-46-710 over I-77?
It is owned by the State Highway Agency.