Tr 579 over Pigeon Ck
Fair Condition49 years old125 vehicles/day
Location
| State | Illinois |
| County | Adams |
| Location | 1.75 Mi W Plainville |
| Carries | Tr 579 |
| Crosses | Pigeon Ck |
| Coordinates | 39.78603, -91.21857 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 147.0 ft (44.8 m) |
| Max Span | 71.9 ft (21.9 m) |
| Deck Width | 26.9 ft (8.2 m) |
| Deck Area | 367.4 sq m |
| Main Spans | 2 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 125 (2024) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 001326100000000 |