Upper Blackwell RD over Trib Of Big Rvr
Fair Condition126 years old329 vehicles/day
Location
| State | Missouri |
| County | Jefferson |
| Location | S 9 T 38 N R 4 E |
| Carries | Upper Blackwell RD |
| Crosses | Trib Of Big Rvr |
| Coordinates | 38.02611, -90.58460 |
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 | 36.1 ft (11 m) |
| Max Span | 16.1 ft (4.9 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 80.3 sq m |
| Main Spans | 2 |
| Year Built | 1900 |
Traffic
| Avg Daily Traffic | 329 (2023) |
| Truck Traffic | 20% |
| 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 | 22833 |