FM over Grand River
GoodUnion County, Iowa · 073283106 · Structure no. 000000000326391
- Built
- 1991
- 34 years old
- Condition
- Good
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 205 ft
- 3 main spans
- Daily traffic
- 29
- 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 1991, so it is 34 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 29 vehicles a day, projected to reach 29 by 2044. The structure is 205 ft (62.5 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Grand River built?
It was built in 1991, making it 34 years old in 2025.
What condition is FM over Grand 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 October 2024.
How much traffic does FM over Grand River carry?
About 29 vehicles per day (2022 count).
How long is FM over Grand River?
The structure is 205 ft (62.5 m) long with a longest span of 73 ft (22.3 m) and a deck 27 ft wide.
Who owns FM over Grand River?
It is owned by the County Highway Agency.