IR-75 over Great Miami River
GoodMontgomery County, Ohio · 1.77MI N. of Jct. SR48 · Structure no. 5708710
- Built
- 2009
- 16 years old
- Condition
- Good
- inspected October 2023
- Type
- Stringer/Multi-beam or Girder
- Prestressed Concrete
- Length
- 578 ft
- 5 main spans
- Daily traffic
- 112,195
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
IR-75 over Great Miami River is a prestressed concrete stringer/multi-beam or girder carrying IR-75 over Great Miami River in Montgomery County, Ohio. It was built in 2009, so it is 16 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 112,195 vehicles a day, roughly 14% of them trucks, projected to reach 155,727 by 2035. The structure is 578 ft (176.1 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 | 8 Very Good | No problems noted. |
| Superstructure | 7 Good | Some minor problems. |
| 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 2009, making it 16 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 October 2023.
How much traffic does IR-75 over Great Miami River carry?
About 112,195 vehicles per day (2015 count), of which roughly 14% are trucks.
How long is IR-75 over Great Miami River?
The structure is 578 ft (176.1 m) long with a longest span of 136 ft (41.5 m) and a deck 135 ft wide.
Who owns IR-75 over Great Miami River?
It is owned by the State Highway Agency.