IR-75 over Great Miami River
GoodShelby County, Ohio · 2.35MI. N. Miami Co.Line · Structure no. 7501544
- Built
- 2005
- 20 years old
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete Continuous
- Length
- 537 ft
- 5 main spans
- Daily traffic
- 46,838
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
IR-75 over Great Miami River is a prestressed concrete continuous stringer/multi-beam or girder carrying IR-75 over Great Miami River in Shelby County, Ohio. It was built in 2005, so it is 20 years old, younger 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 46,838 vehicles a day, roughly 31% of them trucks, projected to reach 65,011 by 2035. The structure is 537 ft (163.8 m) long and 135 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 | 8 Very Good | No problems noted. |
| Substructure | 8 Very Good | No problems noted. |
| Channel and channel protection | 9 Excellent | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IR-75 over Great Miami River built?
It was built in 2005, making it 20 years old in 2025.
What condition is IR-75 over Great Miami 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 May 2024.
How much traffic does IR-75 over Great Miami River carry?
About 46,838 vehicles per day (2015 count), of which roughly 31% are trucks.
How long is IR-75 over Great Miami River?
The structure is 537 ft (163.8 m) long with a longest span of 113 ft (34.3 m) and a deck 135 ft wide.
Who owns IR-75 over Great Miami River?
It is owned by the State Highway Agency.