Tr 309 over Middle Fork Sugar CR
Fair Condition61 years old25 vehicles/day
Location
| State | Illinois |
| County | McLean |
| Location | 5.5 Mi NW Shirley |
| Carries | Tr 309 |
| Crosses | Middle Fork Sugar CR |
| Coordinates | 40.46528, -89.14617 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 55.4 ft (16.9 m) |
| Max Span | 20.3 ft (6.2 m) |
| Deck Width | 25.9 ft (7.9 m) |
| Deck Area | 133.5 sq m |
| Main Spans | 3 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 25 (2024) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 057390000000000 |