170th ST over Small Stream
GoodIda County, Iowa · 088400701 · Structure no. 000000000186812
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected March 2023
- Type
- Culvert
- Steel
- Length
- 30 ft
- 2 main spans
- Daily traffic
- 21
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
170th ST over Small Stream is a steel culvert carrying 170th ST over Small Stream in Ida County, Iowa. It was built in 2022, so it is 3 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 21 vehicles a day, projected to reach 21 by 2043. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.1 mi (5 km).
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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 170th ST over Small Stream built?
It was built in 2022, making it 3 years old in 2025.
What condition is 170th 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 March 2023.
How much traffic does 170th ST over Small Stream carry?
About 21 vehicles per day (2022 count).
How long is 170th ST over Small Stream?
The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m).
Who owns 170th ST over Small Stream?
It is owned by the County Highway Agency.