US421 Nbl over North Deep Creek
FairYadkin County, North Carolina · .6 MI.N.JCT.SR1711 · Structure no. 000000001970088
- Built
- 1960
- 65 years old, rebuilt 1991
- Condition
- Fair
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 181 ft
- 3 main spans
- Daily traffic
- 10,250
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US421 Nbl over North Deep Creek is a prestressed concrete stringer/multi-beam or girder carrying US421 Nbl over North Deep Creek in Yadkin County, North Carolina. It was built in 1960 and reconstructed in 1991, so it is 65 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 10,250 vehicles a day, roughly 14% of them trucks, projected to reach 20,500 by 2040. The structure is 181 ft (55.1 m) long and 33 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US421 Nbl over North Deep Creek built?
It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1991.
What condition is US421 Nbl over North Deep 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 2023.
How much traffic does US421 Nbl over North Deep Creek carry?
About 10,250 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is US421 Nbl over North Deep Creek?
The structure is 181 ft (55.1 m) long with a longest span of 58 ft (17.6 m) and a deck 33 ft wide.
Who owns US421 Nbl over North Deep Creek?
It is owned by the State Highway Agency.