NC109 over I40 US311
FairForsyth County, North Carolina · 0.6 Mi. N. Jct. SR2744 · Structure no. 000000000670029
- Built
- 1980
- 45 years old
- Condition
- Fair
- inspected August 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 330 ft
- 4 main spans
- Daily traffic
- 19,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NC109 over I40 US311 is a steel stringer/multi-beam or girder carrying NC109 over I40 US311 in Forsyth County, North Carolina. It was built in 1980, so it is 45 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 19,000 vehicles a day, roughly 12% of them trucks, projected to reach 38,000 by 2040. The structure is 330 ft (100.5 m) long and 81 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 NC109 over I40 US311 built?
It was built in 1980, making it 45 years old in 2025.
What condition is NC109 over I40 US311 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 NC109 over I40 US311 carry?
About 19,000 vehicles per day (2022 count), of which roughly 12% are trucks.
How long is NC109 over I40 US311?
The structure is 330 ft (100.5 m) long with a longest span of 117 ft (35.6 m) and a deck 81 ft wide.
Who owns NC109 over I40 US311?
It is owned by the State Highway Agency.