CR21 - Casstown-Si over West Branch Lost Creek
GoodMiami County, Ohio · 0.30 N of CR17 - Loy Rd. · Structure no. 5531161
- Built
- 2023
- 2 years old
- Condition
- Good
- inspected March 2024
- Type
- Box Beam or Girders - Multiple
- Concrete
- Length
- 85 ft
- 1 main span
- Daily traffic
- 346
- 2018 count
- Owner
- County
- County Highway Agency
About this bridge
CR21 - Casstown-Si over West Branch Lost Creek is a concrete box beam or girders - multiple carrying CR21 - Casstown-Si over West Branch Lost Creek in Miami County, Ohio. It was built in 2023, so it is 2 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 346 vehicles a day, roughly 52% of them trucks, projected to reach 466 by 2038. The structure is 85 ft (25.9 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 | 9 Excellent | No problems noted. |
| Superstructure | 9 Excellent | No problems noted. |
| Substructure | 9 Excellent | 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 CR21 - Casstown-Si over West Branch Lost Creek built?
It was built in 2023, making it 2 years old in 2025.
What condition is CR21 - Casstown-Si over West Branch Lost 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 March 2024.
How much traffic does CR21 - Casstown-Si over West Branch Lost Creek carry?
About 346 vehicles per day (2018 count), of which roughly 52% are trucks.
How long is CR21 - Casstown-Si over West Branch Lost Creek?
The structure is 85 ft (25.9 m) long with a longest span of 84 ft (25.6 m) and a deck 28 ft wide.
Who owns CR21 - Casstown-Si over West Branch Lost Creek?
It is owned by the County Highway Agency.