Mo 109 S over Clifty CR
Fair Condition38 years old22,783 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 31 T 44 N R 4 E |
| Carries | Mo 109 S |
| Crosses | Clifty CR |
| Coordinates | 38.51262, -90.62384 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 5 (Fair) |
| Culvert | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 39.7 ft (12.1 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 309.8 sq m |
| Main Spans | 3 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 22,783 (2024) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 3502 |