FM over Dd 80
FairPalo Alto County, Iowa · 095310601 · Structure no. 000000000269091
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected April 2023
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 133
- 2021 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Dd 80 is a concrete continuous slab carrying FM over Dd 80 in Palo Alto County, Iowa. It was built in 1975, so it is 50 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 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 133 vehicles a day, roughly 35% of them trucks, projected to reach 133 by 2043. The structure is 78 ft (23.8 m) long and 32 ft wide. If it were closed, the detour would be 8.1 mi (13 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 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 80 built?
It was built in 1975, making it 50 years old in 2025.
What condition is FM over Dd 80 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 80 carry?
About 133 vehicles per day (2021 count), of which roughly 35% are trucks.
How long is FM over Dd 80?
The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 32 ft wide.
Who owns FM over Dd 80?
It is owned by the County Highway Agency.