Ia 57 over Gran Creek
GoodButler County, Iowa · 0.5 M East of SR-T19 · Structure no. 000000000016391
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected February 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 3 main spans
- Daily traffic
- 1,020
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Ia 57 over Gran Creek is a concrete continuous culvert carrying Ia 57 over Gran Creek in Butler County, Iowa. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 1,020 vehicles a day, roughly 19% of them trucks, projected to reach 1,020 by 2043. The structure is 24 ft (7.3 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 | 9 Excellent | No problems noted. |
| Culvert | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Ia 57 over Gran Creek built?
It was built in 2023, making it 2 years old in 2025.
What condition is Ia 57 over Gran 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 2024.
How much traffic does Ia 57 over Gran Creek carry?
About 1,020 vehicles per day (2023 count), of which roughly 19% are trucks.
How long is Ia 57 over Gran Creek?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns Ia 57 over Gran Creek?
It is owned by the State Highway Agency.