Duncanson RD #139 over Flat Run
Good Condition42 years old324 vehicles/day
Location
| State | Ohio |
| County | Highland |
| Location | South Of Cr.#2 |
| Carries | Duncanson RD #139 |
| Crosses | Flat Run |
| Coordinates | 39.04132, -83.81578 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 30.8 ft (9.4 m) |
| Deck Width | 22.0 ft (6.7 m) |
| Deck Area | 67.7 sq m |
| Main Spans | 1 |
| Year Built | 1984 (reconstructed 2002) |
Traffic
| Avg Daily Traffic | 324 (2015) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 12 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 3633756 |