Mo 129 S over Blackbird CR
Fair Condition79 years old551 vehicles/day
Location
| State | Missouri |
| County | Putnam |
| Location | S 30 T 66 N R 18 W |
| Carries | Mo 129 S |
| Crosses | Blackbird CR |
| Coordinates | 40.50106, -92.96764 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 54.4 sq m |
| Main Spans | 2 |
| Year Built | 1947 |
Traffic
| Avg Daily Traffic | 551 (2024) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 9563 |