Ia 4 over North Lizard Creek
GoodPocahontas County, Iowa · 2.7 Mi. S of JCT Ia 10 · Structure no. 000000000040221
- Built
- 1976
- 49 years old
- Condition
- Good
- inspected December 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 22 ft
- 2 main spans
- Daily traffic
- 3,150
- 2022 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 4 over North Lizard Creek is a concrete continuous culvert carrying Ia 4 over North Lizard Creek in Pocahontas County, Iowa. It was built in 1976, so it is 49 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 3,150 vehicles a day, roughly 20% of them trucks, projected to reach 3,150 by 2043. The structure is 22 ft (6.7 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 | 8 Very Good | No problems noted. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 4 over North Lizard Creek built?
It was built in 1976, making it 49 years old in 2025.
What condition is Ia 4 over North Lizard 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 2023.
How much traffic does Ia 4 over North Lizard Creek carry?
About 3,150 vehicles per day (2022 count), of which roughly 20% are trucks.
How long is Ia 4 over North Lizard Creek?
The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).
Who owns Ia 4 over North Lizard Creek?
It is owned by the State Highway Agency.