Old HWY 21 over S Fk Rock CR
Fair Condition86 years old4,484 vehicles/day
Location
| State | Missouri |
| County | Jefferson |
| Location | S 32 T 43 N R 5 E |
| Carries | Old HWY 21 |
| Crosses | S Fk Rock CR |
| Coordinates | 38.41953, -90.48335 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 21.0 ft (6.4 m) |
| Max Span | 21.0 ft (6.4 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 48.6 sq m |
| Main Spans | 1 |
| Year Built | 1940 |
Traffic
| Avg Daily Traffic | 4,484 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 13475 |