SR-366 over Great Miami River
GoodLogan County, Ohio · .88MI.E. of Jct. SR-708 · Structure no. 4603478
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 160 ft
- 3 main spans
- Daily traffic
- 4,764
- 2015 count
- Owner
- State
- State Highway Agency
About this bridge
SR-366 over Great Miami River is a prestressed concrete continuous box beam or girders - multiple carrying SR-366 over Great Miami River in Logan County, Ohio. It was built in 1994, so it is 31 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 4,764 vehicles a day, roughly 2% of them trucks, projected to reach 6,612 by 2035. The structure is 160 ft (48.8 m) long and 42 ft wide. If it were closed, the detour would be 1.9 mi (3 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. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was SR-366 over Great Miami River built?
It was built in 1994, making it 31 years old in 2025.
What condition is SR-366 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 March 2024.
How much traffic does SR-366 over Great Miami River carry?
About 4,764 vehicles per day (2015 count), of which roughly 2% are trucks.
How long is SR-366 over Great Miami River?
The structure is 160 ft (48.8 m) long with a longest span of 53 ft (16.2 m) and a deck 42 ft wide.
Who owns SR-366 over Great Miami River?
It is owned by the State Highway Agency.