Ch-20 over Trib Big Creek
Good Condition48 years old250 vehicles/day
Location
| State | Illinois |
| County | Hamilton |
| Location | 2 Mi W Piopolis |
| Carries | Ch-20 |
| Crosses | Trib Big Creek |
| Coordinates | 38.18356, -88.59345 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 44.0 ft (13.4 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 24.0 ft (7.3 m) |
| Deck Area | 97.8 sq m |
| Main Spans | 1 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 250 (2022) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 322 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 033318600000000 |