Ill 3 over Marys River
Good Condition93 years old3,450 vehicles/day
Location
| State | Illinois |
| County | Randolph |
| Location | 1.3 Mi S Chester |
| Carries | Ill 3 |
| Crosses | Marys River |
| Coordinates | 37.88382, -89.78341 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 363.2 ft (110.7 m) |
| Max Span | 100.7 ft (30.7 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 1417.0 sq m |
| Main Spans | 4 |
| Year Built | 1933 (reconstructed 1980) |
Traffic
| Avg Daily Traffic | 3,450 (2023) |
| Truck Traffic | 40% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 079001100000000 |