350th ST over Sm Stream
GoodSioux County, Iowa · 096431801 · Structure no. 000000000365950
- Built
- 2013
- 12 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Steel
- Length
- 20 ft
- 2 main spans
- Daily traffic
- 45
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
350th ST over Sm Stream is a steel culvert carrying 350th ST over Sm Stream in Sioux County, Iowa. It was built in 2013, so it is 12 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 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 45 vehicles a day, projected to reach 45 by 2044. The structure is 20 ft (6.2 m) long. If it were closed, the detour would be 1.9 mi (3 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 350th ST over Sm Stream built?
It was built in 2013, making it 12 years old in 2025.
What condition is 350th ST over Sm 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 January 2024.
How much traffic does 350th ST over Sm Stream carry?
About 45 vehicles per day (2022 count).
How long is 350th ST over Sm Stream?
The structure is 20 ft (6.2 m) long with a longest span of 8 ft (2.4 m).
Who owns 350th ST over Sm Stream?
It is owned by the County Highway Agency.