Mason LN over Grand Glaize CR
Poor Condition66 years old430 vehicles/day
Location
| State | Missouri |
| County | St. Louis |
| Location | S 32 T 45 N R 5 E |
| Carries | Mason LN |
| Crosses | Grand Glaize CR |
| Coordinates | 38.59218, -90.47831 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 3 (Serious) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 47.9 ft (14.6 m) |
| Max Span | 38.1 ft (11.6 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 111.0 sq m |
| Main Spans | 1 |
| Year Built | 1960 |
Traffic
| Avg Daily Traffic | 430 (2024) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 15605 |