N Dakota Ave over Onion Creek
GoodStory County, Iowa · 084243204 · Structure no. 000000000315671
- Built
- 2014
- 11 years old
- Condition
- Good
- inspected December 2022
- Type
- Culvert
- Concrete Continuous
- Length
- 38 ft
- 3 main spans
- Daily traffic
- 1,197
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
N Dakota Ave over Onion Creek is a concrete continuous culvert carrying N Dakota Ave over Onion Creek in Story County, Iowa. It was built in 2014, so it is 11 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 1,197 vehicles a day, roughly 3% of them trucks, projected to reach 1,197 by 2043. The structure is 38 ft (11.6 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was N Dakota Ave over Onion Creek built?
It was built in 2014, making it 11 years old in 2025.
What condition is N Dakota Ave over Onion 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 N Dakota Ave over Onion Creek carry?
About 1,197 vehicles per day (2022 count), of which roughly 3% are trucks.
How long is N Dakota Ave over Onion Creek?
The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).
Who owns N Dakota Ave over Onion Creek?
It is owned by the County Highway Agency.