FM over Dd No. 1
GoodCalhoun County, Iowa · 088341002 · Structure no. 000000000092241
- Built
- 1993
- 32 years old
- Condition
- Good
- inspected July 2024
- Type
- Slab
- Concrete Continuous
- Length
- 79 ft
- 3 main spans
- Daily traffic
- 20
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Dd No. 1 is a concrete continuous slab carrying FM over Dd No. 1 in Calhoun County, Iowa. It was built in 1993, so it is 32 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 20 vehicles a day, projected to reach 20 by 2044. The structure is 79 ft (24.1 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 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 |
|---|---|---|
| Deck | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Dd No. 1 built?
It was built in 1993, making it 32 years old in 2025.
What condition is FM over Dd No. 1 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 2024.
How much traffic does FM over Dd No. 1 carry?
About 20 vehicles per day (2022 count).
How long is FM over Dd No. 1?
The structure is 79 ft (24.1 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.
Who owns FM over Dd No. 1?
It is owned by the County Highway Agency.