FM over Middle River
FairMadison County, Iowa · 075270704 · Structure no. 000000000034761
- Built
- 1996
- 29 years old
- Condition
- Fair
- inspected August 2023
- Type
- Slab
- Concrete Continuous
- Length
- 184 ft
- 4 main spans
- Daily traffic
- 2,091
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Middle River is a concrete continuous slab carrying FM over Middle River in Madison County, Iowa. It was built in 1996, so it is 29 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 2,091 vehicles a day, roughly 8% of them trucks, projected to reach 2,091 by 2043. The structure is 184 ft (56.1 m) long and 33 ft wide. If it were closed, the detour would be 11.8 mi (19 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 Middle River built?
It was built in 1996, making it 29 years old in 2025.
What condition is FM over Middle 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 August 2023.
How much traffic does FM over Middle River carry?
About 2,091 vehicles per day (2022 count), of which roughly 8% are trucks.
How long is FM over Middle River?
The structure is 184 ft (56.1 m) long with a longest span of 51 ft (15.5 m) and a deck 33 ft wide.
Who owns FM over Middle River?
It is owned by the County Highway Agency.