Tr 298a over Rayhill Slough
Poor Condition70 years old175 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 1m N Ill 177 |
| Carries | Tr 298a |
| Crosses | Rayhill Slough |
| Coordinates | 38.49392, -89.73252 |
Condition Ratings
| Overall Condition | Poor |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 4 (Poor) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Culvert |
| Total Length | 34.4 ft (10.5 m) |
| Max Span | 15.1 ft (4.6 m) |
| Deck Area | 83.0 sq m |
| Main Spans | 2 |
| Year Built | 1956 |
Traffic
| Avg Daily Traffic | 175 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 223 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082408800000000 |