Tr-56 over Kaskaskia River
Good Condition15 years old75 vehicles/day
Location
| State | Illinois |
| County | Douglas |
| Location | 1050n - 550e |
| Carries | Tr-56 |
| Crosses | Kaskaskia River |
| Coordinates | 39.80623, -88.36873 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| 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 | 159.4 ft (48.6 m) |
| Max Span | 56.8 ft (17.3 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 398.5 sq m |
| Main Spans | 3 |
| Year Built | 2011 |
Traffic
| Avg Daily Traffic | 75 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 021403900000000 |