250th ST over Walnut Creek
GoodDallas County, Iowa · 079260801 · Structure no. 000000000365365
- Built
- 2008
- 17 years old
- Condition
- Good
- inspected November 2021
- Type
- Culvert
- Concrete Continuous
- Length
- 23 ft
- 2 main spans
- Daily traffic
- 79
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
250th ST over Walnut Creek is a concrete continuous culvert carrying 250th ST over Walnut Creek in Dallas County, Iowa. It was built in 2008, so it is 17 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 79 vehicles a day, roughly 18% of them trucks, projected to reach 79 by 2043. The structure is 23 ft (7 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 250th ST over Walnut Creek built?
It was built in 2008, making it 17 years old in 2025.
What condition is 250th ST over Walnut 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 2021.
How much traffic does 250th ST over Walnut Creek carry?
About 79 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is 250th ST over Walnut Creek?
The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).
Who owns 250th ST over Walnut Creek?
It is owned by the County Highway Agency.