Mammoth RD over Big Rvr
Fair Condition42 years old200 vehicles/day
Location
| State | Missouri |
| County | Jefferson |
| Location | S 11 T 39 N R 3 E |
| Carries | Mammoth RD |
| Crosses | Big Rvr |
| Coordinates | 38.12244, -90.67587 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 253.9 ft (77.4 m) |
| Max Span | 109.9 ft (33.5 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 704.3 sq m |
| Main Spans | 3 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 200 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Historical significance is not determined |
| Structure Number | 21255 |