Mo 21 S over Or 21
Good Condition48 years old16,242 vehicles/day
Location
| State | Missouri |
| County | Jefferson |
| Location | S 22 T 43 N R 5 E |
| Carries | Mo 21 S |
| Crosses | Or 21 |
| Coordinates | 38.45406, -90.43886 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 215.9 ft (65.8 m) |
| Max Span | 74.5 ft (22.7 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 855.4 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 16,242 (2024) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 1 |
Inspection & Ownership
| Last Inspection | November 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 2660 |