IR-75 over Ramp B & B&o RR
GoodMiami County, Ohio · .87MI.N. of Jct. USR-36 · Structure no. 5503272
- Built
- 1959
- 66 years old, rebuilt 2007
- Condition
- Good
- inspected July 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 333 ft
- 4 main spans
- Daily traffic
- 21,464
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
IR-75 over Ramp B & B&o RR is a steel continuous stringer/multi-beam or girder carrying IR-75 over Ramp B & B&o RR in Miami County, Ohio. It was built in 1959 and reconstructed in 2007, so it is 66 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 21,464 vehicles a day, roughly 12% of them trucks, projected to reach 29,792 by 2035. The structure is 333 ft (101.5 m) long and 45 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 | 8 Very Good | No problems noted. |
| Superstructure | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IR-75 over Ramp B & B&o RR built?
It was built in 1959, making it 66 years old in 2025. It was reconstructed in 2007.
What condition is IR-75 over Ramp B & 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 July 2024.
How much traffic does IR-75 over Ramp B & B&o RR carry?
About 21,464 vehicles per day (2015 count), of which roughly 12% are trucks.
How long is IR-75 over Ramp B & B&o RR?
The structure is 333 ft (101.5 m) long with a longest span of 90 ft (27.4 m) and a deck 45 ft wide.
Who owns IR-75 over Ramp B & B&o RR?
It is owned by the State Highway Agency.