IR-75 over County Ditch
FairMiami County, Ohio · 1.87MI.N. of Jct. SR-41 · Structure no. 5502586
- Built
- 1957
- 68 years old
- Condition
- Fair
- inspected March 2024
- Type
- Culvert
- Steel
- Length
- 21 ft
- 2 main spans
- Daily traffic
- 54,110
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
IR-75 over County Ditch is a steel culvert carrying IR-75 over County Ditch in Miami County, Ohio. It was built in 1957, so it is 68 years old, older than the Ohio average of 47.3 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 54,110 vehicles a day, roughly 12% of them trucks, projected to reach 75,105 by 2035. The structure is 21 ft (6.4 m) long.
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 | 8 Very Good | No problems noted. |
| Culvert | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IR-75 over County Ditch built?
It was built in 1957, making it 68 years old in 2025.
What condition is IR-75 over County Ditch 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 March 2024.
How much traffic does IR-75 over County Ditch carry?
About 54,110 vehicles per day (2015 count), of which roughly 12% are trucks.
How long is IR-75 over County Ditch?
The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).
Who owns IR-75 over County Ditch?
It is owned by the State Highway Agency.