Mo 21 S over Middlebrook CR
Fair Condition59 years old1,692 vehicles/day
Location
| State | Missouri |
| County | Iron |
| Location | S 14 T 34 N R 3 E |
| Carries | Mo 21 S |
| Crosses | Middlebrook CR |
| Coordinates | 37.65000, -90.67348 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 32.5 ft (9.9 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Width | 53.1 ft (16.2 m) |
| Deck Area | 160.4 sq m |
| Main Spans | 2 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 1,692 (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 | 1089 |