Mo 21 S over Old Mines CR
Good Condition20 years old5,370 vehicles/day
Location
| State | Missouri |
| County | Washington |
| Location | S 3039 T 39 N R 3 E |
| Carries | Mo 21 S |
| Crosses | Old Mines CR |
| Coordinates | 38.06823, -90.74629 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 200.1 ft (61 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 793 sq m |
| Main Spans | 3 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 5,370 (2024) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 31711 |