FM over Dd #81
FairPalo Alto County, Iowa · 095322504 · Structure no. 000000000361940
- Built
- 1982
- 43 years old
- Condition
- Fair
- inspected April 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 369 ft
- 5 main spans
- Daily traffic
- 41
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Dd #81 is a prestressed concrete stringer/multi-beam or girder carrying FM over Dd #81 in Palo Alto County, Iowa. It was built in 1982, so it is 43 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 41 vehicles a day, projected to reach 41 by 2043. The structure is 369 ft (112.5 m) long and 32 ft wide. If it were closed, the detour would be 9.9 mi (16 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 |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 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 1982, making it 43 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 April 2023.
How much traffic does FM over Dd #81 carry?
About 41 vehicles per day (2021 count).
How long is FM over Dd #81?
The structure is 369 ft (112.5 m) long with a longest span of 80 ft (24.4 m) and a deck 32 ft wide.
Who owns FM over Dd #81?
It is owned by the County Highway Agency.