US421S.RAMP over Big Alamance Creek
GoodGuilford County, North Carolina · 0.06 MI E JCT SR3418 · Structure no. 000000000811435
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected October 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 26 ft
- 2 main spans
- Daily traffic
- 16,250
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
US421S.RAMP over Big Alamance Creek is a concrete continuous culvert carrying US421S.RAMP over Big Alamance Creek in Guilford County, North Carolina. It was built in 2015, so it is 10 years old, younger 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 16,250 vehicles a day, roughly 14% of them trucks, projected to reach 32,500 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 2.5 mi (4 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US421S.RAMP over Big Alamance Creek built?
It was built in 2015, making it 10 years old in 2025.
What condition is US421S.RAMP over Big Alamance 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 October 2023.
How much traffic does US421S.RAMP over Big Alamance Creek carry?
About 16,250 vehicles per day (2019 count), of which roughly 14% are trucks.
How long is US421S.RAMP over Big Alamance Creek?
The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.6 m).
Who owns US421S.RAMP over Big Alamance Creek?
It is owned by the State Highway Agency.