I77 Sbl over South Yadkin River
GoodIredell County, North Carolina · 2.0 Mi. S. Jct. SR1890 · Structure no. 000000000970194
- Built
- 1973
- 52 years old
- Condition
- Good
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 262 ft
- 4 main spans
- Daily traffic
- 16,750
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I77 Sbl over South Yadkin River is a steel continuous stringer/multi-beam or girder carrying I77 Sbl over South Yadkin River in Iredell County, North Carolina. It was built in 1973, so it is 52 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 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 16,750 vehicles a day, roughly 23% of them trucks, projected to reach 33,500 by 2040. The structure is 262 ft (79.8 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 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. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I77 Sbl over South Yadkin River built?
It was built in 1973, making it 52 years old in 2025.
What condition is I77 Sbl over South Yadkin River 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 June 2024.
How much traffic does I77 Sbl over South Yadkin River carry?
About 16,750 vehicles per day (2020 count), of which roughly 23% are trucks.
How long is I77 Sbl over South Yadkin River?
The structure is 262 ft (79.8 m) long with a longest span of 65 ft (19.8 m) and a deck 42 ft wide.
Who owns I77 Sbl over South Yadkin River?
It is owned by the State Highway Agency.