Old RT N over Dardenne CR
Good Condition35 years old10,203 vehicles/day
Location
| State | Missouri |
| County | St. Charles |
| Location | S 304 T 46 N R 3 E |
| Carries | Old RT N |
| Crosses | Dardenne CR |
| Coordinates | 38.75183, -90.65276 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 217.8 ft (66.4 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 41.7 ft (12.7 m) |
| Deck Area | 843.3 sq m |
| Main Spans | 3 |
| Year Built | 1991 |
Traffic
| Avg Daily Traffic | 10,203 (2024) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 36178 |