SR 309 over Over Flat Run
Fair Condition68 years old5,292 vehicles/day
Location
| State | Ohio |
| County | Marion |
| Location | 4.72 Mi E Of SR 98 |
| Carries | SR 309 |
| Crosses | Over Flat Run |
| Coordinates | 40.65962, -82.87400 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 105.6 ft (32.2 m) |
| Max Span | 40.0 ft (12.2 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 392.8 sq m |
| Main Spans | 3 |
| Year Built | 1958 |
Traffic
| Avg Daily Traffic | 5,292 (2015) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 5101921 |