FM over Middle Platte
FairUnion County, Iowa · 071310102 · Structure no. 000000000325011
- Built
- 1975
- 50 years old
- Condition
- Fair
- inspected October 2022
- Type
- Slab
- Concrete Continuous
- Length
- 128 ft
- 3 main spans
- Daily traffic
- 927
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Middle Platte is a concrete continuous slab carrying FM over Middle Platte in Union County, Iowa. It was built in 1975, so it is 50 years old, older 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 5 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 927 vehicles a day, roughly 9% of them trucks, projected to reach 927 by 2043. The structure is 128 ft (39 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Platte built?
It was built in 1975, making it 50 years old in 2025.
What condition is FM over Middle Platte 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 2022.
How much traffic does FM over Middle Platte carry?
About 927 vehicles per day (2022 count), of which roughly 9% are trucks.
How long is FM over Middle Platte?
The structure is 128 ft (39 m) long with a longest span of 49 ft (14.9 m) and a deck 32 ft wide.
Who owns FM over Middle Platte?
It is owned by the County Highway Agency.