Ch 16 over Black Walnut CR
Poor Condition61 years old1,900 vehicles/day
Location
| State | Illinois |
| County | Kankakee |
| Location | 3.2 Mi NE Manteno |
| Carries | Ch 16 |
| Crosses | Black Walnut CR |
| Coordinates | 41.29571, -87.79475 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 55.4 ft (16.9 m) |
| Max Span | 54.1 ft (16.5 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 148.7 sq m |
| Main Spans | 1 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 1,900 (2021) |
| Truck Traffic | 20% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 624 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 046323200000000 |