FM over Dd 81
FairSac County, Iowa · 089352101 · Structure no. 000000000301361
- Built
- 1988
- 37 years old
- Condition
- Fair
- inspected August 2024
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 270
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Dd 81 is a concrete continuous culvert carrying FM over Dd 81 in Sac County, Iowa. It was built in 1988, so it is 37 years old, younger 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 270 vehicles a day, roughly 37% of them trucks, projected to reach 270 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Dd 81 built?
It was built in 1988, making it 37 years old in 2025.
What condition is FM over Dd 81 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 August 2024.
How much traffic does FM over Dd 81 carry?
About 270 vehicles per day (2022 count), of which roughly 37% are trucks.
How long is FM over Dd 81?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns FM over Dd 81?
It is owned by the County Highway Agency.