Old US 61 over Small Natural Stream
FairClinton County, Iowa · 083E30606 · Structure no. 000000000020940
- Built
- 1960
- 65 years old
- Condition
- Fair
- inspected January 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 37 ft
- 3 main spans
- Daily traffic
- 1,074
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
Old US 61 over Small Natural Stream is a concrete continuous culvert carrying Old US 61 over Small Natural Stream in Clinton County, Iowa. It was built in 1960, so it is 65 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 1,074 vehicles a day, roughly 7% of them trucks, projected to reach 1,074 by 2044. The structure is 37 ft (11.3 m) long. If it were closed, the detour would be 42.3 mi (68 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 Old US 61 over Small Natural Stream built?
It was built in 1960, making it 65 years old in 2025.
What condition is Old US 61 over Small Natural Stream 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 Old US 61 over Small Natural Stream carry?
About 1,074 vehicles per day (2022 count), of which roughly 7% are trucks.
How long is Old US 61 over Small Natural Stream?
The structure is 37 ft (11.3 m) long with a longest span of 11 ft (3.4 m).
Who owns Old US 61 over Small Natural Stream?
It is owned by the County Highway Agency.