US321 Nbl over Henry Fork River
FairCatawba County, North Carolina · 0.2 Mi. N. Jct. SR2583 · Structure no. 000000000350003
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected February 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 474 ft
- 5 main spans
- Daily traffic
- 20,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US321 Nbl over Henry Fork River is a steel stringer/multi-beam or girder carrying US321 Nbl over Henry Fork River in Catawba County, North Carolina. It was built in 1976, so it is 49 years old, older 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 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 20,000 vehicles a day, roughly 12% of them trucks, projected to reach 40,000 by 2040. The structure is 474 ft (144.4 m) long and 51 ft wide. If it were closed, the detour would be 1.9 mi (3 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 | 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. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US321 Nbl over Henry Fork River built?
It was built in 1976, making it 49 years old in 2025.
What condition is US321 Nbl over Henry Fork 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 February 2023.
How much traffic does US321 Nbl over Henry Fork River carry?
About 20,000 vehicles per day (2021 count), of which roughly 12% are trucks.
How long is US321 Nbl over Henry Fork River?
The structure is 474 ft (144.4 m) long with a longest span of 102 ft (31 m) and a deck 51 ft wide.
Who owns US321 Nbl over Henry Fork River?
It is owned by the State Highway Agency.