Tr 56 over Johnny Run
Good Condition16 years old25 vehicles/day
Location
| State | Illinois |
| County | Grundy |
| Location | 0.1 M N Gardner RD |
| Carries | Tr 56 |
| Crosses | Johnny Run |
| Coordinates | 41.18126, -88.51040 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 78.1 ft (23.8 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 195.2 sq m |
| Main Spans | 1 |
| Year Built | 2010 |
Traffic
| Avg Daily Traffic | 25 (2024) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 032549500000000 |