FM over Trib Grand River
FairDecatur County, Iowa · 070273604 · Structure no. 000000000139230
- Built
- 1967
- 58 years old
- Condition
- Fair
- inspected November 2023
- Type
- Culvert
- Concrete Continuous
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 50
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
FM over Trib Grand River is a concrete continuous culvert carrying FM over Trib Grand River in Decatur County, Iowa. It was built in 1967, so it is 58 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 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 50 vehicles a day, projected to reach 50 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 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 |
|---|---|---|
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was FM over Trib Grand River built?
It was built in 1967, making it 58 years old in 2025.
What condition is FM over Trib 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 November 2023.
How much traffic does FM over Trib Grand River carry?
About 50 vehicles per day (2022 count).
How long is FM over Trib Grand River?
The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).
Who owns FM over Trib Grand River?
It is owned by the County Highway Agency.