NC18 over Rock Creek
FairCatawba County, North Carolina · 100 Ft. S. Jct. SR1111 · Structure no. 000000000350048
- Built
- 1991
- 34 years old
- Condition
- Fair
- inspected November 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 39 ft
- 3 main spans
- Daily traffic
- 2,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
NC18 over Rock Creek is a concrete continuous culvert carrying NC18 over Rock Creek in Catawba County, North Carolina. It was built in 1991, so it is 34 years old, younger 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 2,800 vehicles a day, roughly 6% of them trucks, projected to reach 5,600 by 2040. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 2.5 mi (4 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was NC18 over Rock Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is NC18 over Rock 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 November 2024.
How much traffic does NC18 over Rock Creek carry?
About 2,800 vehicles per day (2022 count), of which roughly 6% are trucks.
How long is NC18 over Rock Creek?
The structure is 39 ft (11.8 m) long with a longest span of 10 ft (3 m).
Who owns NC18 over Rock Creek?
It is owned by the State Highway Agency.