FM over Johnson Creek
GoodLyon County, Iowa · 098440501 · Structure no. 000000000228271
- Built
- 2006
- 19 years old
- Condition
- Good
- inspected July 2023
- Type
- Slab
- Concrete Continuous
- Length
- 87 ft
- 3 main spans
- Daily traffic
- 1,168
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Johnson Creek is a concrete continuous slab carrying FM over Johnson Creek in Lyon County, Iowa. It was built in 2006, so it is 19 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 1,168 vehicles a day, roughly 10% of them trucks, projected to reach 1,168 by 2043. The structure is 87 ft (26.5 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Johnson Creek built?
It was built in 2006, making it 19 years old in 2025.
What condition is FM over Johnson 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 July 2023.
How much traffic does FM over Johnson Creek carry?
About 1,168 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is FM over Johnson Creek?
The structure is 87 ft (26.5 m) long with a longest span of 85 ft (25.9 m) and a deck 33 ft wide.
Who owns FM over Johnson Creek?
It is owned by the County Highway Agency.