FM 255th ST over Boylan Creek
GoodFranklin County, Iowa · 093190303 · Structure no. 000000000363355
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 37 ft
- 2 main spans
- Daily traffic
- 658
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM 255th ST over Boylan Creek is a concrete continuous culvert carrying FM 255th ST over Boylan Creek in Franklin County, Iowa. It was built in 1991, so it is 34 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 658 vehicles a day, roughly 18% of them trucks, projected to reach 658 by 2043. The structure is 37 ft (11.3 m) long. 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 |
|---|---|---|
| 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 FM 255th ST over Boylan Creek built?
It was built in 1991, making it 34 years old in 2025.
What condition is FM 255th ST over Boylan 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 255th ST over Boylan Creek carry?
About 658 vehicles per day (2022 count), of which roughly 18% are trucks.
How long is FM 255th ST over Boylan Creek?
The structure is 37 ft (11.3 m) long with a longest span of 12 ft (3.7 m).
Who owns FM 255th ST over Boylan Creek?
It is owned by the County Highway Agency.