FM over Overflow
FairMarshall County, Iowa · 084190205 · Structure no. 000000000243491
- Built
- 1984
- 41 years old
- Condition
- Fair
- inspected November 2023
- Type
- Slab
- Concrete Continuous
- Length
- 130 ft
- 3 main spans
- Daily traffic
- 69
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Overflow is a concrete continuous slab carrying FM over Overflow in Marshall County, Iowa. It was built in 1984, so it is 41 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 69 vehicles a day, projected to reach 69 by 2043. The structure is 130 ft (39.6 m) long and 33 ft wide. If it were closed, the detour would be 8.7 mi (14 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Overflow built?
It was built in 1984, making it 41 years old in 2025.
What condition is FM over Overflow 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 November 2023.
How much traffic does FM over Overflow carry?
About 69 vehicles per day (2022 count).
How long is FM over Overflow?
The structure is 130 ft (39.6 m) long with a longest span of 49 ft (14.9 m) and a deck 33 ft wide.
Who owns FM over Overflow?
It is owned by the County Highway Agency.