S-40-59 over I-77
GoodRichland County, South Carolina · 0.5MI W Blythewood · Structure no. 000000000007160
- Built
- 1978
- 47 years old, rebuilt 2016
- Condition
- Good
- inspected January 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 276 ft
- 2 main spans
- Daily traffic
- 11,400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-40-59 over I-77 is a steel continuous stringer/multi-beam or girder carrying S-40-59 over I-77 in Richland County, South Carolina. It was built in 1978 and reconstructed in 2016, 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 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 11,400 vehicles a day, roughly 5% of them trucks, projected to reach 15,048 by 2043. The structure is 276 ft (84.1 m) long and 63 ft wide.
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 S-40-59 over I-77 built?
It was built in 1978, making it 47 years old in 2025. It was reconstructed in 2016.
What condition is S-40-59 over I-77 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 2023.
How much traffic does S-40-59 over I-77 carry?
About 11,400 vehicles per day (2023 count), of which roughly 5% are trucks.
How long is S-40-59 over I-77?
The structure is 276 ft (84.1 m) long with a longest span of 100 ft (30.5 m) and a deck 63 ft wide.
Who owns S-40-59 over I-77?
It is owned by the State Highway Agency.