Th51a over Rock Run
Good Condition63 years old324 vehicles/day
Location
| State | Ohio |
| County | Wyandot |
| Location | Just W Of Th122a |
| Carries | Th51a |
| Crosses | Rock Run |
| Coordinates | 40.84749, -83.24033 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 43.0 ft (13.1 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 20.0 ft (6.1 m) |
| Deck Area | 79.9 sq m |
| Main Spans | 1 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 324 (2015) |
| Truck Traffic | 7% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 8836078 |