Mo 21 S over Palmar CR
Fair Condition41 years old3,513 vehicles/day
Location
| State | Missouri |
| County | Iron |
| Location | S 23 T 33 N R 3 E |
| Carries | Mo 21 S |
| Crosses | Palmar CR |
| Coordinates | 37.55007, -90.67941 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 47.9 ft (14.6 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Area | 106.6 sq m |
| Main Spans | 3 |
| Year Built | 1985 |
Traffic
| Avg Daily Traffic | 3,513 (2024) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 3580 |