Natural Bridge RD over Cowmire CR
Fair Condition42 years old7,228 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 131 T 46 N R 5 E |
| Carries | Natural Bridge RD |
| Crosses | Cowmire CR |
| Coordinates | 38.75681, -90.42923 |
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 | 41.3 ft (12.6 m) |
| Max Span | 13.1 ft (4 m) |
| Deck Width | 48.6 ft (14.8 m) |
| Deck Area | 186.5 sq m |
| Main Spans | 3 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 7,228 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 34910 |