I-77 Sbl over SR1129
FairSurry County, North Carolina · 0.4 MI.N.JCT.NC268 · Structure no. 000000001710154
- Built
- 1974
- 51 years old
- Condition
- Fair
- inspected December 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 124 ft
- 3 main spans
- Daily traffic
- 13,000
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
I-77 Sbl over SR1129 is a prestressed concrete continuous stringer/multi-beam or girder carrying I-77 Sbl over SR1129 in Surry County, North Carolina. It was built in 1974, so it is 51 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 5 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 13,000 vehicles a day, roughly 23% of them trucks, projected to reach 26,000 by 2040. The structure is 124 ft (37.7 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
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-77 Sbl over SR1129 built?
It was built in 1974, making it 51 years old in 2025.
What condition is I-77 Sbl over SR1129 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 December 2023.
How much traffic does I-77 Sbl over SR1129 carry?
About 13,000 vehicles per day (2022 count), of which roughly 23% are trucks.
How long is I-77 Sbl over SR1129?
The structure is 124 ft (37.7 m) long with a longest span of 42 ft (12.8 m) and a deck 42 ft wide.
Who owns I-77 Sbl over SR1129?
It is owned by the State Highway Agency.