Il 40 Fap 646 over Walnut Special Ditch
Fair Condition93 years old1,950 vehicles/day
Location
| State | Illinois |
| County | Bureau |
| Location | 3.1 Mi S Jct Ill 92 |
| Carries | Il 40 Fap 646 |
| Crosses | Walnut Special Ditch |
| Coordinates | 41.51822, -89.68605 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 42.7 ft (13 m) |
| Max Span | 41.0 ft (12.5 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 171.6 sq m |
| Main Spans | 1 |
| Year Built | 1933 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 1,950 (2023) |
| Truck Traffic | 27% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 006008600000000 |