US311 over I-74
GoodForsyth County, North Carolina · 0.42 Mi. S. SR2391 · Structure no. 000000000670700
- Built
- 2019
- 6 years old
- Condition
- Good
- inspected September 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 221 ft
- 2 main spans
- Daily traffic
- 4,200
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
US311 over I-74 is a prestressed concrete stringer/multi-beam or girder carrying US311 over I-74 in Forsyth County, North Carolina. It was built in 2019, so it is 6 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 4,200 vehicles a day, roughly 6% of them trucks, projected to reach 8,400 by 2040. The structure is 221 ft (67.3 m) long and 61 ft wide.
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 | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US311 over I-74 built?
It was built in 2019, making it 6 years old in 2025.
What condition is US311 over I-74 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 September 2023.
How much traffic does US311 over I-74 carry?
About 4,200 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is US311 over I-74?
The structure is 221 ft (67.3 m) long with a longest span of 109 ft (33.2 m) and a deck 61 ft wide.
Who owns US311 over I-74?
It is owned by the State Highway Agency.