310th ST over Small Stream
GoodCarroll County, Iowa · 082332301 · Structure no. 000000000362480
- Built
- 1972
- 53 years old
- Condition
- Good
- inspected April 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 71
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
310th ST over Small Stream is a concrete continuous culvert carrying 310th ST over Small Stream in Carroll 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 71 vehicles a day, projected to reach 71 by 2044. The structure is 22 ft (6.7 m) long.
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 310th ST over Small Stream built?
It was built in 1972, making it 53 years old in 2025.
What condition is 310th ST over Small Stream in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.
How much traffic does 310th ST over Small Stream carry?
About 71 vehicles per day (2022 count).
How long is 310th ST over Small Stream?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns 310th ST over Small Stream?
It is owned by the County Highway Agency.