Tr 311 over Marys River
Fair Condition49 years old450 vehicles/day
Location
| State | Illinois |
| County | Randolph |
| Location | 4.25 M E Of Chester |
| Carries | Tr 311 |
| Crosses | Marys River |
| Coordinates | 37.91887, -89.73273 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 202.1 ft (61.6 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 26.6 ft (8.1 m) |
| Deck Area | 499.0 sq m |
| Main Spans | 5 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 450 (2024) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 079429200000000 |