I-77 Sbl over Big Wateree Ck
FairFairfield County, South Carolina · 1.4 MI S of Sc 200 · Structure no. 000000000007251
- Built
- 1979
- 46 years old
- Condition
- Fair
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 280 ft
- 1 main span
- Daily traffic
- 24,300
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-77 Sbl over Big Wateree Ck is a prestressed concrete stringer/multi-beam or girder carrying I-77 Sbl over Big Wateree Ck in Fairfield County, South Carolina. It was built in 1979, so it is 46 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 24,300 vehicles a day, roughly 18% of them trucks, projected to reach 46,656 by 2043. The structure is 280 ft (85.3 m) long and 44 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-77 Sbl over Big Wateree Ck built?
It was built in 1979, making it 46 years old in 2025.
What condition is I-77 Sbl over Big Wateree Ck 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 I-77 Sbl over Big Wateree Ck carry?
About 24,300 vehicles per day (2023 count), of which roughly 18% are trucks.
How long is I-77 Sbl over Big Wateree Ck?
The structure is 280 ft (85.3 m) long with a longest span of 70 ft (21.3 m) and a deck 44 ft wide.
Who owns I-77 Sbl over Big Wateree Ck?
It is owned by the State Highway Agency.