170th ST over East Br Indian Creek
GoodStory County, Iowa · 084221101 · Structure no. 000000000315121
- Built
- 1977
- 48 years old
- Condition
- Good
- inspected December 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 38 ft
- 3 main spans
- Daily traffic
- 30
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
170th ST over East Br Indian Creek is a concrete continuous culvert carrying 170th ST over East Br Indian Creek in Story County, Iowa. It was built in 1977, so it is 48 years old, older 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 30 vehicles a day, projected to reach 30 by 2043. The structure is 38 ft (11.6 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 | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 170th ST over East Br Indian Creek built?
It was built in 1977, making it 48 years old in 2025.
What condition is 170th ST over East Br Indian 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 December 2022.
How much traffic does 170th ST over East Br Indian Creek carry?
About 30 vehicles per day (2022 count).
How long is 170th ST over East Br Indian Creek?
The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).
Who owns 170th ST over East Br Indian Creek?
It is owned by the County Highway Agency.