US421 over Thorntons Creek
GoodHarnett County, North Carolina · 0.2 Mi. N. Jct. SR2009 · Structure no. 000000000850255
- Built
- 1945
- 80 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 28 ft
- 3 main spans
- Daily traffic
- 11,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US421 over Thorntons Creek is a concrete continuous culvert carrying US421 over Thorntons Creek in Harnett County, North Carolina. It was built in 1945, so it is 80 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 11,000 vehicles a day, roughly 14% of them trucks, projected to reach 22,000 by 2040. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US421 over Thorntons Creek built?
It was built in 1945, making it 80 years old in 2025.
What condition is US421 over Thorntons Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2024.
How much traffic does US421 over Thorntons Creek carry?
About 11,000 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is US421 over Thorntons Creek?
The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m).
Who owns US421 over Thorntons Creek?
It is owned by the State Highway Agency.