170th ST over Little Wapsipinicon Rvr
GoodHoward County, Iowa · 098143501 · Structure no. 000000000182771
- Built
- 2015
- 10 years old
- Condition
- Good
- inspected March 2022
- Type
- Slab
- Concrete Continuous
- Length
- 93 ft
- 3 main spans
- Daily traffic
- 82
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
170th ST over Little Wapsipinicon Rvr is a concrete continuous slab carrying 170th ST over Little Wapsipinicon Rvr in Howard County, Iowa. It was built in 2015, so it is 10 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 82 vehicles a day, projected to reach 82 by 2043. The structure is 93 ft (28.3 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 170th ST over Little Wapsipinicon Rvr built?
It was built in 2015, making it 10 years old in 2025.
What condition is 170th ST over Little Wapsipinicon Rvr 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 2022.
How much traffic does 170th ST over Little Wapsipinicon Rvr carry?
About 82 vehicles per day (2022 count).
How long is 170th ST over Little Wapsipinicon Rvr?
The structure is 93 ft (28.3 m) long with a longest span of 35 ft (10.7 m) and a deck 33 ft wide.
Who owns 170th ST over Little Wapsipinicon Rvr?
It is owned by the County Highway Agency.