Oberhelman RD over Trib Of Dardenne C
Poor Condition40 years old355 vehicles/day
Location
| State | Missouri |
| County | St. Charles |
| Location | S 29 T 46 N R 1 E |
| Carries | Oberhelman RD |
| Crosses | Trib Of Dardenne C |
| Coordinates | 38.71866, -90.92972 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 23.0 ft (7 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 69.9 sq m |
| Main Spans | 1 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 355 (2024) |
| Truck Traffic | 5% |
| 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 | 22232 |