US21 over Little River
FairAlleghany County, North Carolina · .1 MI.S.JCT.SR1171 · Structure no. 000000000050030
- Built
- 1920
- 105 years old, rebuilt 1951
- Condition
- Fair
- inspected August 2024
- Type
- Tee Beam
- Concrete
- Length
- 127 ft
- 3 main spans
- Daily traffic
- 7,200
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US21 over Little River is a concrete tee beam carrying US21 over Little River in Alleghany County, North Carolina. It was built in 1920 and reconstructed in 1951, so it is 105 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 7,200 vehicles a day, roughly 8% of them trucks, projected to reach 14,400 by 2040. The structure is 127 ft (38.7 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US21 over Little River built?
It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1951.
What condition is US21 over Little 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 August 2024.
How much traffic does US21 over Little River carry?
About 7,200 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is US21 over Little River?
The structure is 127 ft (38.7 m) long with a longest span of 41 ft (12.4 m) and a deck 33 ft wide.
Who owns US21 over Little River?
It is owned by the State Highway Agency.