I-77 Sbl over Third Creek
PoorIredell County, North Carolina · 1.5 Mi. N. Jct. SR 2342 · Structure no. 000000000970133
- Built
- 1964
- 61 years old
- Condition
- Poor
- inspected March 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 200 ft
- 5 main spans
- Daily traffic
- 28,250
- 2019 count
- Owner
- State
- State Highway Agency
About this bridge
I-77 Sbl over Third Creek is a steel stringer/multi-beam or girder carrying I-77 Sbl over Third Creek in Iredell County, North Carolina. It was built in 1964, so it is 61 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 28,250 vehicles a day, roughly 23% of them trucks, projected to reach 56,500 by 2040. The structure is 200 ft (60.9 m) long and 33 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 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I-77 Sbl over Third Creek built?
It was built in 1964, making it 61 years old in 2025.
What condition is I-77 Sbl over Third Creek in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.
How much traffic does I-77 Sbl over Third Creek carry?
About 28,250 vehicles per day (2019 count), of which roughly 23% are trucks.
How long is I-77 Sbl over Third Creek?
The structure is 200 ft (60.9 m) long with a longest span of 38 ft (11.5 m) and a deck 33 ft wide.
Who owns I-77 Sbl over Third Creek?
It is owned by the State Highway Agency.