Ch-20 over Crooked Creek
Good Condition18 years old500 vehicles/day
Location
| State | Illinois |
| County | Marion |
| Location | 2 Mi NE Salem |
| Carries | Ch-20 |
| Crosses | Crooked Creek |
| Coordinates | 38.66406, -88.90863 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very 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 | 61.7 ft (18.8 m) |
| Max Span | 61.7 ft (18.8 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 159.8 sq m |
| Main Spans | 1 |
| Year Built | 2008 |
Traffic
| Avg Daily Traffic | 500 (2022) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 122 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 061330300000000 |