Upper Blackwell RD over Big Rvr
Fair Condition23 years old268 vehicles/day
Location
| State | Missouri |
| County | Jefferson |
| Location | S 6 T 38 N R 4 E |
| Carries | Upper Blackwell RD |
| Crosses | Big Rvr |
| Coordinates | 38.04453, -90.62078 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 473.1 ft (144.2 m) |
| Max Span | 100.1 ft (30.5 m) |
| Deck Width | 32.5 ft (9.9 m) |
| Deck Area | 1427.6 sq m |
| Main Spans | 6 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 268 (2023) |
| Truck Traffic | 10% |
| 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 | 29490 |