FM over Dd No. 46
GoodCalhoun County, Iowa · 087342202 · Structure no. 000000000091601
- Built
- 2004
- 21 years old
- Condition
- Good
- inspected July 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 24 ft
- 2 main spans
- Daily traffic
- 40
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Dd No. 46 is a concrete continuous culvert carrying FM over Dd No. 46 in Calhoun County, Iowa. It was built in 2004, so it is 21 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 40 vehicles a day, projected to reach 40 by 2043. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 6.2 mi (10 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Dd No. 46 built?
It was built in 2004, making it 21 years old in 2025.
What condition is FM over Dd No. 46 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 2023.
How much traffic does FM over Dd No. 46 carry?
About 40 vehicles per day (2022 count).
How long is FM over Dd No. 46?
The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.7 m).
Who owns FM over Dd No. 46?
It is owned by the County Highway Agency.