FM over Middle River
GoodAdair County, Iowa · 076311201 · Structure no. 000000000056751
- Built
- 1992
- 33 years old
- Condition
- Good
- inspected May 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 60
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Middle River is a prestressed concrete continuous stringer/multi-beam or girder carrying FM over Middle River in Adair County, Iowa. It was built in 1992, so it is 33 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 60 vehicles a day, projected to reach 60 by 2043. The structure is 205 ft (62.5 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Middle River built?
It was built in 1992, making it 33 years old in 2025.
What condition is FM over Middle 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 Middle River carry?
About 60 vehicles per day (2022 count).
How long is FM over Middle River?
The structure is 205 ft (62.5 m) long with a longest span of 73 ft (22.3 m) and a deck 33 ft wide.
Who owns FM over Middle River?
It is owned by the County Highway Agency.