221st Street over Pony Creek
GoodMills County, Iowa · 073432204 · Structure no. 000000000036021
- Built
- 1995
- 30 years old
- Condition
- Good
- inspected February 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 2,649
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
221st Street over Pony Creek is a concrete continuous culvert carrying 221st Street over Pony Creek in Mills County, Iowa. It was built in 1995, so it is 30 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 2,649 vehicles a day, roughly 10% of them trucks, projected to reach 2,649 by 2043. The structure is 21 ft (6.4 m) long. 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 |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 221st Street over Pony Creek built?
It was built in 1995, making it 30 years old in 2025.
What condition is 221st Street over Pony 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 February 2023.
How much traffic does 221st Street over Pony Creek carry?
About 2,649 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is 221st Street over Pony Creek?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns 221st Street over Pony Creek?
It is owned by the County Highway Agency.