US421 Nbl over SR2309
GoodWilkes County, North Carolina · .7 MI.S.JCT.SR2316 · Structure no. 000000001930762
- Built
- 2003
- 22 years old
- Condition
- Good
- inspected March 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 140 ft
- 1 main span
- Daily traffic
- 15,500
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US421 Nbl over SR2309 is a steel stringer/multi-beam or girder carrying US421 Nbl over SR2309 in Wilkes County, North Carolina. It was built in 2003, so it is 22 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 15,500 vehicles a day, roughly 14% of them trucks, projected to reach 31,000 by 2040. The structure is 140 ft (42.6 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US421 Nbl over SR2309 built?
It was built in 2003, making it 22 years old in 2025.
What condition is US421 Nbl over SR2309 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 March 2023.
How much traffic does US421 Nbl over SR2309 carry?
About 15,500 vehicles per day (2021 count), of which roughly 14% are trucks.
How long is US421 Nbl over SR2309?
The structure is 140 ft (42.6 m) long with a longest span of 135 ft (41.1 m) and a deck 40 ft wide.
Who owns US421 Nbl over SR2309?
It is owned by the State Highway Agency.