170th ST over Trib to Soldier River
GoodMonona County, Iowa · 084421103 · Structure no. 000000000250441
- Built
- 2016
- 9 years old
- Condition
- Good
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
170th ST over Trib to Soldier River is a concrete continuous culvert carrying 170th ST over Trib to Soldier River in Monona County, Iowa. It was built in 2016, so it is 9 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.7 mi (6 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 170th ST over Trib to Soldier River built?
It was built in 2016, making it 9 years old in 2025.
What condition is 170th ST over Trib to Soldier River 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 May 2024.
How much traffic does 170th ST over Trib to Soldier River carry?
About 20 vehicles per day (2022 count).
How long is 170th ST over Trib to Soldier River?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns 170th ST over Trib to Soldier River?
It is owned by the County Highway Agency.