320th over Spring Creek
GoodCerro Gordo County, Iowa · 097201603 · Structure no. 000000000106691
- Built
- 1984
- 41 years old
- Condition
- Good
- inspected January 2024
- Type
- Culvert
- Concrete
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 47
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
320th over Spring Creek is a concrete culvert carrying 320th over Spring Creek in Cerro Gordo County, Iowa. It was built in 1984, so it is 41 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 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 47 vehicles a day, projected to reach 47 by 2044. 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 | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 320th over Spring Creek built?
It was built in 1984, making it 41 years old in 2025.
What condition is 320th over Spring 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 January 2024.
How much traffic does 320th over Spring Creek carry?
About 47 vehicles per day (2022 count).
How long is 320th over Spring Creek?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns 320th over Spring Creek?
It is owned by the County Highway Agency.