I-77 SB over RR CSXT
GoodRichland County, South Carolina · 5 MI SE of Columbia · Structure no. 000000000008199
- Built
- 1988
- 37 years old
- Condition
- Good
- inspected January 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 219 ft
- 3 main spans
- Daily traffic
- 35,100
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
I-77 SB over RR CSXT is a steel continuous stringer/multi-beam or girder carrying I-77 SB over RR CSXT in Richland County, South Carolina. It was built in 1988, so it is 37 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 35,100 vehicles a day, roughly 16% of them trucks, projected to reach 43,524 by 2043. The structure is 219 ft (66.8 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 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 | 7 Good | Some minor problems. |
| 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 I-77 SB over RR CSXT built?
It was built in 1988, making it 37 years old in 2025.
What condition is I-77 SB over RR CSXT 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 2024.
How much traffic does I-77 SB over RR CSXT carry?
About 35,100 vehicles per day (2023 count), of which roughly 16% are trucks.
How long is I-77 SB over RR CSXT?
The structure is 219 ft (66.8 m) long with a longest span of 85 ft (25.9 m) and a deck 59 ft wide.
Who owns I-77 SB over RR CSXT?
It is owned by the State Highway Agency.