SR1171 over US421
GoodForsyth County, North Carolina · 1.1 Mi. S. Jct. SR1175 · Structure no. 000000000670187
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 213 ft
- 4 main spans
- Daily traffic
- 12,000
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR1171 over US421 is a steel stringer/multi-beam or girder carrying SR1171 over US421 in Forsyth 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 12,000 vehicles a day, roughly 7% of them trucks, projected to reach 24,000 by 2040. The structure is 213 ft (64.9 m) long and 36 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 SR1171 over US421 built?
It was built in 2015, making it 10 years old in 2025.
What condition is SR1171 over US421 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 May 2023.
How much traffic does SR1171 over US421 carry?
About 12,000 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is SR1171 over US421?
The structure is 213 ft (64.9 m) long with a longest span of 55 ft (16.7 m) and a deck 36 ft wide.
Who owns SR1171 over US421?
It is owned by the State Highway Agency.