US 176 over I-20
GoodRichland County, South Carolina · 5 MI NW of Columbia · Structure no. 000000000010739
- Built
- 2024
- 1 years old
- Condition
- Good
- inspected September 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 217 ft
- 2 main spans
- Daily traffic
- 20,800
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 176 over I-20 is a prestressed concrete continuous stringer/multi-beam or girder carrying US 176 over I-20 in Richland County, South Carolina. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 20,800 vehicles a day, roughly 2% of them trucks, projected to reach 28,704 by 2043. The structure is 217 ft (66.1 m) long and 93 ft wide. If it were closed, the detour would be 98.8 mi (159 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 176 over I-20 built?
It was built in 2024, making it 1 years old in 2025.
What condition is US 176 over I-20 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 September 2024.
How much traffic does US 176 over I-20 carry?
About 20,800 vehicles per day (2023 count), of which roughly 2% are trucks.
How long is US 176 over I-20?
The structure is 217 ft (66.1 m) long with a longest span of 115 ft (35.1 m) and a deck 93 ft wide.
Who owns US 176 over I-20?
It is owned by the State Highway Agency.