FM over North River
GoodAdair County, Iowa · 077310301 · Structure no. 000000000057751
- Built
- 1989
- 36 years old
- Condition
- Good
- inspected May 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 40 ft
- 3 main spans
- Daily traffic
- 139
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over North River is a concrete continuous culvert carrying FM over North River in Adair County, Iowa. It was built in 1989, so it is 36 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 139 vehicles a day, roughly 28% of them trucks, projected to reach 139 by 2043. The structure is 40 ft (12.2 m) long. 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over North River built?
It was built in 1989, making it 36 years old in 2025.
What condition is FM over North River 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 May 2023.
How much traffic does FM over North River carry?
About 139 vehicles per day (2022 count), of which roughly 28% are trucks.
How long is FM over North River?
The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).
Who owns FM over North River?
It is owned by the County Highway Agency.