I77 Sbl over Rocky Creek
PoorIredell County, North Carolina · 3.1 Mi. S. Jct. NC901 · Structure no. 000000000970207
- Built
- 1972
- 53 years old
- Condition
- Poor
- inspected June 2024
- Type
- Stringer/Multi-beam or Girder
- Steel
- Length
- 240 ft
- 4 main spans
- Daily traffic
- 14,750
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I77 Sbl over Rocky Creek is a steel stringer/multi-beam or girder carrying I77 Sbl over Rocky Creek in Iredell County, North Carolina. It was built in 1972, so it is 53 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 14,750 vehicles a day, roughly 23% of them trucks, projected to reach 29,500 by 2040. The structure is 240 ft (73.1 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 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| 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 Rocky Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is I77 Sbl over Rocky 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 June 2024.
How much traffic does I77 Sbl over Rocky Creek carry?
About 14,750 vehicles per day (2020 count), of which roughly 23% are trucks.
How long is I77 Sbl over Rocky Creek?
The structure is 240 ft (73.1 m) long with a longest span of 59 ft (17.9 m) and a deck 42 ft wide.
Who owns I77 Sbl over Rocky Creek?
It is owned by the State Highway Agency.