Holt RD over Dardenne CR
Fair Condition37 years old106 vehicles/day
Location
| State | Missouri |
| County | St. Charles |
| Location | S 21 T 46 N R 1 E |
| Carries | Holt RD |
| Crosses | Dardenne CR |
| Coordinates | 38.72366, -90.90662 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 69.9 ft (21.3 m) |
| Max Span | 49.9 ft (15.2 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 193.8 sq m |
| Main Spans | 2 |
| Year Built | 1989 |
Traffic
| Avg Daily Traffic | 106 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 21867 |