S-16-131 over I-20
FairDarlington County, South Carolina · 3MI W Lamar · Structure no. 000000000006466
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 288 ft
- 4 main spans
- Daily traffic
- 400
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
S-16-131 over I-20 is a steel stringer/multi-beam or girder carrying S-16-131 over I-20 in Darlington County, South Carolina. It was built in 1974, so it is 51 years old, older 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 400 vehicles a day, roughly 4% of them trucks, projected to reach 512 by 2043. The structure is 288 ft (87.8 m) long and 37 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-16-131 over I-20 built?
It was built in 1974, making it 51 years old in 2025.
What condition is S-16-131 over I-20 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 January 2025.
How much traffic does S-16-131 over I-20 carry?
About 400 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is S-16-131 over I-20?
The structure is 288 ft (87.8 m) long with a longest span of 103 ft (31.4 m) and a deck 37 ft wide.
Who owns S-16-131 over I-20?
It is owned by the State Highway Agency.