I77 over Olin Creek
FairIredell County, North Carolina · 1.9 Mi. N. Jct. SR1890 · Structure no. 000000000970204
- Built
- 1973
- 52 years old
- Condition
- Fair
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 53 ft
- 3 main spans
- Daily traffic
- 29,500
- 2020 count
- Owner
- State
- State Highway Agency
About this bridge
I77 over Olin Creek is a concrete continuous culvert carrying I77 over Olin Creek 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 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 29,500 vehicles a day, roughly 23% of them trucks, projected to reach 59,000 by 2040. The structure is 53 ft (16.1 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was I77 over Olin Creek built?
It was built in 1973, making it 52 years old in 2025.
What condition is I77 over Olin Creek 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 May 2024.
How much traffic does I77 over Olin Creek carry?
About 29,500 vehicles per day (2020 count), of which roughly 23% are trucks.
How long is I77 over Olin Creek?
The structure is 53 ft (16.1 m) long with a longest span of 12 ft (3.6 m).
Who owns I77 over Olin Creek?
It is owned by the State Highway Agency.