US321 Nbl over Clark Creek
GoodCatawba County, North Carolina · 2.7 Mi. S. Jct. SR1005 · Structure no. 000000000350318
- Built
- 1997
- 28 years old
- Condition
- Good
- inspected January 2025
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 369 ft
- 4 main spans
- Daily traffic
- 13,500
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US321 Nbl over Clark Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US321 Nbl over Clark Creek in Catawba County, North Carolina. It was built in 1997, so it is 28 years old, younger than the North Carolina average of 38.7 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 13,500 vehicles a day, roughly 14% of them trucks, projected to reach 27,000 by 2040. The structure is 369 ft (112.4 m) long and 41 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US321 Nbl over Clark Creek built?
It was built in 1997, making it 28 years old in 2025.
What condition is US321 Nbl over Clark Creek 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 2025.
How much traffic does US321 Nbl over Clark Creek carry?
About 13,500 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is US321 Nbl over Clark Creek?
The structure is 369 ft (112.4 m) long with a longest span of 97 ft (29.5 m) and a deck 41 ft wide.
Who owns US321 Nbl over Clark Creek?
It is owned by the State Highway Agency.