US 176 over I-20
FairRichland County, South Carolina · 5MI NW of Cola · Structure no. 000000000004652
- Built
- 1965
- 60 years old
- Condition
- Fair
- inspected February 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 252 ft
- 4 main spans
- Daily traffic
- 41,600
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 176 over I-20 is a prestressed concrete stringer/multi-beam or girder carrying US 176 over I-20 in Richland County, South Carolina. It was built in 1965, so it is 60 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 5 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 41,600 vehicles a day, roughly 2% of them trucks, projected to reach 55,744 by 2043. The structure is 252 ft (76.8 m) long and 67 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 176 over I-20 built?
It was built in 1965, making it 60 years old in 2025.
What condition is US 176 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 February 2024.
How much traffic does US 176 over I-20 carry?
About 41,600 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is US 176 over I-20?
The structure is 252 ft (76.8 m) long with a longest span of 63 ft (19.2 m) and a deck 67 ft wide.
Who owns US 176 over I-20?
It is owned by the State Highway Agency.