170th ST over Slough Creek
GoodDallas County, Iowa · 081273401 · Structure no. 000000000132521
- Built
- 2022
- 3 years old
- Condition
- Good
- inspected November 2022
- Type
- Box Beam or Girders - Single or Spread
- Concrete
- Length
- 52 ft
- 1 main span
- Daily traffic
- 15
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
170th ST over Slough Creek is a concrete box beam or girders - single or spread carrying 170th ST over Slough Creek in Dallas 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 15 vehicles a day, projected to reach 15 by 2043. The structure is 52 ft (16 m) long and 32 ft wide.
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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 170th ST over Slough Creek built?
It was built in 2022, making it 3 years old in 2025.
What condition is 170th ST over Slough Creek 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 November 2022.
How much traffic does 170th ST over Slough Creek carry?
About 15 vehicles per day (2022 count).
How long is 170th ST over Slough Creek?
The structure is 52 ft (16 m) long with a longest span of 48 ft (14.5 m) and a deck 32 ft wide.
Who owns 170th ST over Slough Creek?
It is owned by the County Highway Agency.