FM over Grand River
FairUnion County, Iowa · 073291109 · Structure no. 000000000326521
- Built
- 2007
- 18 years old
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 179 ft
- 3 main spans
- Daily traffic
- 270
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Grand River is a prestressed concrete stringer/multi-beam or girder carrying FM over Grand River in Union County, Iowa. It was built in 2007, so it is 18 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 270 vehicles a day, roughly 10% of them trucks, projected to reach 270 by 2044. The structure is 179 ft (54.6 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Grand River built?
It was built in 2007, making it 18 years old in 2025.
What condition is FM over Grand 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 2024.
How much traffic does FM over Grand River carry?
About 270 vehicles per day (2022 count), of which roughly 10% are trucks.
How long is FM over Grand River?
The structure is 179 ft (54.6 m) long with a longest span of 64 ft (19.5 m) and a deck 33 ft wide.
Who owns FM over Grand River?
It is owned by the County Highway Agency.