IR-70 over Stillwater River
GoodMontgomery County, Ohio · .62MI.E. of Jct. SR-48 · Structure no. 5705584
- Built
- 1958
- 67 years old, rebuilt 2015
- Condition
- Good
- inspected May 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 273 ft
- 4 main spans
- Daily traffic
- 64,298
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
IR-70 over Stillwater River is a steel continuous stringer/multi-beam or girder carrying IR-70 over Stillwater River in Montgomery County, Ohio. It was built in 1958 and reconstructed in 2015, 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 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 64,298 vehicles a day, roughly 24% of them trucks, projected to reach 89,246 by 2035. The structure is 273 ft (83.2 m) long and 126 ft wide.
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 | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | No problems noted. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was IR-70 over Stillwater River built?
It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2015.
What condition is IR-70 over Stillwater 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-70 over Stillwater River carry?
About 64,298 vehicles per day (2015 count), of which roughly 24% are trucks.
How long is IR-70 over Stillwater River?
The structure is 273 ft (83.2 m) long with a longest span of 75 ft (22.9 m) and a deck 126 ft wide.
Who owns IR-70 over Stillwater River?
It is owned by the State Highway Agency.