Tr-370 over Granny Tweedle Ditch
Fair Condition36 years old150 vehicles/day
Location
| State | Illinois |
| County | White |
| Location | 4 Mi NE New Haven |
| Carries | Tr-370 |
| Crosses | Granny Tweedle Ditch |
| Coordinates | 37.96561, -88.05711 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 41.7 ft (12.7 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 92.7 sq m |
| Main Spans | 1 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 150 (2024) |
| Truck Traffic | 31% |
| 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 | 097320800000000 |