RT Z S over Little Dardenne CR
Fair Condition22 years old8,589 vehicles/day
Location
| State | Missouri |
| County | St. Charles |
| Location | S 11 T 46 N R 1 E |
| Carries | RT Z S |
| Crosses | Little Dardenne CR |
| Coordinates | 38.75519, -90.86864 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 279.9 ft (85.3 m) |
| Max Span | 75.1 ft (22.9 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 1108.9 sq m |
| Main Spans | 4 |
| Year Built | 2004 |
Traffic
| Avg Daily Traffic | 8,589 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 29782 |