Iris Trail over Blackbird CR
Good Condition20 years old40 vehicles/day
Location
| State | Missouri |
| County | Putnam |
| Location | S 18 T 64 N R 16 W |
| Carries | Iris Trail |
| Crosses | Blackbird CR |
| Coordinates | 40.35414, -92.73222 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Tee Beam |
| Total Length | 158.1 ft (48.2 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Width | 24.6 ft (7.5 m) |
| Deck Area | 361.5 sq m |
| Main Spans | 3 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 40 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 31315 |