NC16 18 over US421 Bypass
FairWilkes County, North Carolina · 0.4 MI.N.JCT.SR2507 · Structure no. 000000001930023
- Built
- 1966
- 59 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 209 ft
- 4 main spans
- Daily traffic
- 7,700
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
NC16 18 over US421 Bypass is a steel stringer/multi-beam or girder carrying NC16 18 over US421 Bypass in Wilkes County, North Carolina. It was built in 1966, so it is 59 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 6 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 7,700 vehicles a day, roughly 12% of them trucks, projected to reach 15,400 by 2040. The structure is 209 ft (63.7 m) long and 63 ft wide.
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 | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NC16 18 over US421 Bypass built?
It was built in 1966, making it 59 years old in 2025.
What condition is NC16 18 over US421 Bypass 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 April 2023.
How much traffic does NC16 18 over US421 Bypass carry?
About 7,700 vehicles per day (2021 count), of which roughly 12% are trucks.
How long is NC16 18 over US421 Bypass?
The structure is 209 ft (63.7 m) long with a longest span of 62 ft (18.8 m) and a deck 63 ft wide.
Who owns NC16 18 over US421 Bypass?
It is owned by the State Highway Agency.