Hemlock Trail over Blackbird CR
Fair Condition35 years old10 vehicles/day
Location
| State | Missouri |
| County | Putnam |
| Location | S 4 T 64 N R 17 W |
| Carries | Hemlock Trail |
| Crosses | Blackbird CR |
| Coordinates | 40.38147, -92.81546 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 4 — Foundations need monitoring |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 122.0 ft (37.2 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 17.4 ft (5.3 m) |
| Deck Area | 197.2 sq m |
| Main Spans | 3 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 10 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 20473 |