F20 Amana RD over Br Iowa River
GoodJohnson County, Iowa · T81N R08W 19 · Structure no. 000000000205831
- Built
- 2018
- 7 years old
- Condition
- Good
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 29 ft
- 2 main spans
- Daily traffic
- 160
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
F20 Amana RD over Br Iowa River is a concrete continuous culvert carrying F20 Amana RD over Br Iowa River in Johnson 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 160 vehicles a day, projected to reach 160 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 5 mi (8 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 | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was F20 Amana RD over Br Iowa River built?
It was built in 2018, making it 7 years old in 2025.
What condition is F20 Amana RD over Br Iowa River 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 August 2024.
How much traffic does F20 Amana RD over Br Iowa River carry?
About 160 vehicles per day (2022 count).
How long is F20 Amana RD over Br Iowa River?
The structure is 29 ft (8.8 m) long with a longest span of 12 ft (3.7 m).
Who owns F20 Amana RD over Br Iowa River?
It is owned by the County Highway Agency.