IR-75 over B & O RR
GoodMiami County, Ohio · 2.15MI.S. of Jct. USR-36 · Structure no. 5503000
- Built
- 1958
- 67 years old
- Condition
- Good
- inspected April 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 348 ft
- 5 main spans
- Daily traffic
- 22,249
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
IR-75 over B & O RR is a steel continuous stringer/multi-beam or girder carrying IR-75 over B & O RR in Miami County, Ohio. It was built in 1958, so it is 67 years old, older than the Ohio average of 47.3 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 22,249 vehicles a day, roughly 12% of them trucks, projected to reach 30,882 by 2035. The structure is 348 ft (106.1 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 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. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IR-75 over B & O RR built?
It was built in 1958, making it 67 years old in 2025.
What condition is IR-75 over B & O RR 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 April 2024.
How much traffic does IR-75 over B & O RR carry?
About 22,249 vehicles per day (2015 count), of which roughly 12% are trucks.
How long is IR-75 over B & O RR?
The structure is 348 ft (106.1 m) long with a longest span of 77 ft (23.5 m) and a deck 44 ft wide.
Who owns IR-75 over B & O RR?
It is owned by the State Highway Agency.