Ch 12 over Crooked Neck Creek
Good Condition39 years old150 vehicles/day
Location
| State | Illinois |
| County | Adams |
| Location | 1.6 Mi So Big Neck |
| Carries | Ch 12 |
| Crosses | Crooked Neck Creek |
| Coordinates | 40.11527, -91.15626 |
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 | 81.0 ft (24.7 m) |
| Max Span | 80.1 ft (24.4 m) |
| Deck Width | 30.2 ft (9.2 m) |
| Deck Area | 227.2 sq m |
| Main Spans | 1 |
| Year Built | 1987 |
Traffic
| Avg Daily Traffic | 150 (2024) |
| Truck Traffic | 13% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 001331900000000 |