FM over Small Stream
FairLyon County, Iowa · 100431901 · Structure no. 000000000230760
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected July 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 25 ft
- 2 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Small Stream is a concrete continuous culvert carrying FM over Small Stream in Lyon County, Iowa. It was built in 1978, so it is 47 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 60 vehicles a day, projected to reach 60 by 2043. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Small Stream built?
It was built in 1978, making it 47 years old in 2025.
What condition is FM over Small Stream 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 July 2023.
How much traffic does FM over Small Stream carry?
About 60 vehicles per day (2022 count).
How long is FM over Small Stream?
The structure is 25 ft (7.6 m) long with a longest span of 12 ft (3.7 m).
Who owns FM over Small Stream?
It is owned by the County Highway Agency.