Ia 4 over North Lizard Creek
FairPocahontas County, Iowa · 5.6 Mi. N of Ia 3 · Structure no. 000000000040231
- Built
- 1976
- 49 years old
- Condition
- Fair
- inspected September 2023
- Type
- Slab
- Concrete Continuous
- Length
- 113 ft
- 3 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 slab 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 3,150 vehicles a day, roughly 20% of them trucks, projected to reach 3,150 by 2043. The structure is 113 ft (34.4 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 6 Satisfactory | Structural elements show some minor deterioration. |
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 fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in September 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 113 ft (34.4 m) long with a longest span of 43 ft (13.1 m) and a deck 47 ft wide.
Who owns Ia 4 over North Lizard Creek?
It is owned by the State Highway Agency.