550th ST over Dd #22 So Lizard Ck
GoodPocahontas County, Iowa · 091332201 · Structure no. 000000000278911
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected October 2022
- Type
- Culvert
- Steel
- Length
- 20 ft
- 2 main spans
- Daily traffic
- 34
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
550th ST over Dd #22 So Lizard Ck is a steel culvert carrying 550th ST over Dd #22 So Lizard Ck in Pocahontas County, Iowa. It was built in 2018, so it is 7 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 34 vehicles a day, projected to reach 34 by 2043. The structure is 20 ft (6.1 m) long. If it were closed, the detour would be 1.9 mi (3 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 550th ST over Dd #22 So Lizard Ck built?
It was built in 2018, making it 7 years old in 2025.
What condition is 550th ST over Dd #22 So Lizard Ck 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 October 2022.
How much traffic does 550th ST over Dd #22 So Lizard Ck carry?
About 34 vehicles per day (2022 count).
How long is 550th ST over Dd #22 So Lizard Ck?
The structure is 20 ft (6.1 m) long with a longest span of 10 ft (3 m).
Who owns 550th ST over Dd #22 So Lizard Ck?
It is owned by the County Highway Agency.