FM over North River
FairWarren County, Iowa · 077241606 · Structure no. 000000000335281
- Built
- 1986
- 39 years old
- Condition
- Fair
- inspected October 2023
- Type
- Slab
- Concrete Continuous
- Length
- 78 ft
- 3 main spans
- Daily traffic
- 2,998
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over North River is a concrete continuous slab carrying FM over North River in Warren County, Iowa. It was built in 1986, so it is 39 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 2,998 vehicles a day, roughly 5% of them trucks, projected to reach 2,998 by 2043. The structure is 78 ft (23.8 m) long and 33 ft wide. If it were closed, the detour would be 6.2 mi (10 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 | 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 North River built?
It was built in 1986, making it 39 years old in 2025.
What condition is FM over North River 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 October 2023.
How much traffic does FM over North River carry?
About 2,998 vehicles per day (2022 count), of which roughly 5% are trucks.
How long is FM over North River?
The structure is 78 ft (23.8 m) long with a longest span of 29 ft (8.8 m) and a deck 33 ft wide.
Who owns FM over North River?
It is owned by the County Highway Agency.