Old HWY 21 S over Mo 21
Fair Condition30 years old1,827 vehicles/day
Location
| State | Missouri |
| County | Jefferson |
| Location | S 30 T 42 N R 5 E |
| Carries | Old HWY 21 S |
| Crosses | Mo 21 |
| Coordinates | 38.34075, -90.50697 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 292.0 ft (89 m) |
| Max Span | 119.1 ft (36.3 m) |
| Deck Width | 41.3 ft (12.6 m) |
| Deck Area | 1121.4 sq m |
| Main Spans | 2 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 1,827 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 2555 |