Derby Rd. T178 over Opossum Creek
GoodMontgomery County, Ohio · .4 Miles West of SR4 · Structure no. 5740622
- Built
- 1970
- 55 years old, rebuilt 1994
- Condition
- Good
- inspected August 2023
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete
- Length
- 50 ft
- 1 main span
- Daily traffic
- 422
- 2017 count
- Owner
- County
- County Highway Agency
About this bridge
Derby Rd. T178 over Opossum Creek is a prestressed concrete box beam or girders - multiple carrying Derby Rd. T178 over Opossum Creek in Montgomery County, Ohio. It was built in 1970 and reconstructed in 1994, so it is 55 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 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 422 vehicles a day, roughly 5% of them trucks, projected to reach 586 by 2037. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 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 | 8 Very Good | 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 Derby Rd. T178 over Opossum Creek built?
It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1994.
What condition is Derby Rd. T178 over Opossum Creek 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 August 2023.
How much traffic does Derby Rd. T178 over Opossum Creek carry?
About 422 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is Derby Rd. T178 over Opossum Creek?
The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.9 m) and a deck 28 ft wide.
Who owns Derby Rd. T178 over Opossum Creek?
It is owned by the County Highway Agency.