US321 Nbl over South Fork Catawba River
FairGaston County, North Carolina · 6 Mi. N. Jct. NC275 · Structure no. 000000000710348
- Built
- 1987
- 38 years old
- Condition
- Fair
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 452 ft
- 6 main spans
- Daily traffic
- 20,250
- 2018 count
- Owner
- State
- State Highway Agency
About this bridge
US321 Nbl over South Fork Catawba River is a prestressed concrete stringer/multi-beam or girder carrying US321 Nbl over South Fork Catawba River in Gaston County, North Carolina. It was built in 1987, so it is 38 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 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 20,250 vehicles a day, roughly 12% of them trucks, projected to reach 40,500 by 2040. The structure is 452 ft (137.7 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US321 Nbl over South Fork Catawba River built?
It was built in 1987, making it 38 years old in 2025.
What condition is US321 Nbl over South Fork Catawba River 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 May 2024.
How much traffic does US321 Nbl over South Fork Catawba River carry?
About 20,250 vehicles per day (2018 count), of which roughly 12% are trucks.
How long is US321 Nbl over South Fork Catawba River?
The structure is 452 ft (137.7 m) long with a longest span of 74 ft (22.5 m) and a deck 39 ft wide.
Who owns US321 Nbl over South Fork Catawba River?
It is owned by the State Highway Agency.