Henderson RD over Unknow CR
Fair Condition103 years old100 vehicles/day
Location
| State | Missouri |
| County | Boone |
| Location | S 1 T 48 N R 14 W |
| Carries | Henderson RD |
| Crosses | Unknow CR |
| Coordinates | 38.98450, -92.44855 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 23.0 ft (7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 43.0 ft (13.1 m) |
| Deck Area | 91.7 sq m |
| Main Spans | 2 |
| Year Built | 1923 |
Traffic
| Avg Daily Traffic | 100 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 31064 |