SR1100 over I-77
FairYadkin County, North Carolina · .3 MI.W.JCT.SR1173 · Structure no. 000000001970006
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected July 2023
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 228 ft
- 2 main spans
- Daily traffic
- 350
- 2021 count
- Owner
- State
- State Highway Agency
About this bridge
SR1100 over I-77 is a steel continuous stringer/multi-beam or girder carrying SR1100 over I-77 in Yadkin 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 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 350 vehicles a day, roughly 6% of them trucks, projected to reach 700 by 2040. The structure is 228 ft (69.4 m) long and 32 ft wide. If it were closed, the detour would be 7.5 mi (12 km).
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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR1100 over I-77 built?
It was built in 1973, making it 52 years old in 2025.
What condition is SR1100 over I-77 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 July 2023.
How much traffic does SR1100 over I-77 carry?
About 350 vehicles per day (2021 count), of which roughly 6% are trucks.
How long is SR1100 over I-77?
The structure is 228 ft (69.4 m) long with a longest span of 114 ft (34.7 m) and a deck 32 ft wide.
Who owns SR1100 over I-77?
It is owned by the State Highway Agency.