US 30 over Noah Creek
FairBoone County, Iowa · At Junction With SR R18 · Structure no. 000000000015190
- Built
- 1962
- 63 years old, rebuilt 1975
- Condition
- Fair
- inspected January 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 8,800
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
US 30 over Noah Creek is a concrete continuous culvert carrying US 30 over Noah Creek in Boone County, Iowa. It was built in 1962 and reconstructed in 1975, so it is 63 years old, older than the Iowa average of 45.5 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 8,800 vehicles a day, roughly 13% of them trucks, projected to reach 8,800 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.2 mi (2 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was US 30 over Noah Creek built?
It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1975.
What condition is US 30 over Noah 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 January 2024.
How much traffic does US 30 over Noah Creek carry?
About 8,800 vehicles per day (2022 count), of which roughly 13% are trucks.
How long is US 30 over Noah Creek?
The structure is 24 ft (7.3 m) long with a longest span of 11 ft (3.4 m).
Who owns US 30 over Noah Creek?
It is owned by the State Highway Agency.