Gray Plaza over Tributary Silver Creek
Fair Condition56 years old20 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 130 N Of Air Guard Way |
| Carries | Gray Plaza |
| Crosses | Tributary Silver Creek |
| Coordinates | 38.54958, -89.85106 |
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 | 24.9 ft (7.6 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 59.3 sq m |
| Main Spans | 2 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 20 (2017) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 424 |
| Inspection Frequency | Every 24 months |
| Owner | Air Force |
| Historical Significance | Historical significance is not determined |
| Structure Number | AFILVDYD00013 |