US 59 over Coonley Creek
FairCherokee County, Iowa · 2.3 Mi. N of SR C44 · Structure no. 000000000019310
- Built
- 1972
- 53 years old
- Condition
- Fair
- inspected December 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 36 ft
- 3 main spans
- Daily traffic
- 2,900
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
US 59 over Coonley Creek is a concrete continuous culvert carrying US 59 over Coonley Creek in Cherokee County, Iowa. It was built in 1972, so it is 53 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 2,900 vehicles a day, roughly 13% of them trucks, projected to reach 2,900 by 2043. The structure is 36 ft (11 m) long. If it were closed, the detour would be 3.1 mi (5 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 59 over Coonley Creek built?
It was built in 1972, making it 53 years old in 2025.
What condition is US 59 over Coonley 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 December 2023.
How much traffic does US 59 over Coonley Creek carry?
About 2,900 vehicles per day (2023 count), of which roughly 13% are trucks.
How long is US 59 over Coonley Creek?
The structure is 36 ft (11 m) long with a longest span of 10 ft (3 m).
Who owns US 59 over Coonley Creek?
It is owned by the State Highway Agency.