US 20 over Unknown Creek
Good Condition10 years old9,000 vehicles/day
Location
| State | Ohio |
| County | Ashtabula |
| Location | 0.98 Mi E Of SR 534 |
| Carries | US 20 |
| Crosses | Unknown Creek |
| Coordinates | 41.81056, -80.92945 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 54.8 ft (16.7 m) |
| Max Span | 53.1 ft (16.2 m) |
| Deck Area | 233.8 sq m |
| Main Spans | 1 |
| Year Built | 2016 |
Traffic
| Avg Daily Traffic | 9,000 (2020) |
| Truck Traffic | 9% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 0402088 |