C.r. 21 over Great Miami River
Good Condition6 years old743 vehicles/day
Location
| State | Ohio |
| County | Logan |
| Location | 0.36 Mi East Of C.r. 24 |
| Carries | C.r. 21 |
| Crosses | Great Miami River |
| Coordinates | 40.35114, -83.93825 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 9 (Excellent) |
| Substructure | 9 (Excellent) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 157.2 ft (47.9 m) |
| Max Span | 154.9 ft (47.2 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 526.9 sq m |
| Main Spans | 1 |
| Year Built | 2020 |
Traffic
| Avg Daily Traffic | 743 (2019) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 4631839 |