US321 Nbl over Gunpowder Creek
FairCaldwell County, North Carolina · .2 MI.N.JCT.SR1127 · Structure no. 000000000270032
- Built
- 1969
- 56 years old, rebuilt 1989
- Condition
- Fair
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 173 ft
- 3 main spans
- Daily traffic
- 14,750
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US321 Nbl over Gunpowder Creek is a prestressed concrete stringer/multi-beam or girder carrying US321 Nbl over Gunpowder Creek in Caldwell County, North Carolina. It was built in 1969 and reconstructed in 1989, so it is 56 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 14,750 vehicles a day, roughly 12% of them trucks, projected to reach 29,500 by 2040. The structure is 173 ft (52.7 m) long and 42 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| 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 Gunpowder Creek built?
It was built in 1969, making it 56 years old in 2025. It was reconstructed in 1989.
What condition is US321 Nbl over Gunpowder Creek 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 March 2024.
How much traffic does US321 Nbl over Gunpowder Creek carry?
About 14,750 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is US321 Nbl over Gunpowder Creek?
The structure is 173 ft (52.7 m) long with a longest span of 56 ft (17 m) and a deck 42 ft wide.
Who owns US321 Nbl over Gunpowder Creek?
It is owned by the State Highway Agency.