FM over Dd
FairPalo Alto County, Iowa · 096323602 · Structure no. 000000000269801
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected May 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 50 ft
- 2 main spans
- Daily traffic
- 40
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Dd is a concrete continuous culvert carrying FM over Dd in Palo Alto 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 5 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 40 vehicles a day, projected to reach 40 by 2044. The structure is 50 ft (15.2 m) long. If it were closed, the detour would be 3.7 mi (6 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Culvert | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Dd built?
It was built in 1978, making it 47 years old in 2025.
What condition is FM over Dd 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 May 2024.
How much traffic does FM over Dd carry?
About 40 vehicles per day (2022 count).
How long is FM over Dd?
The structure is 50 ft (15.2 m) long with a longest span of 24 ft (7.3 m).
Who owns FM over Dd?
It is owned by the County Highway Agency.