Tr-73 (allendale R over Nippersink CR
Poor Condition48 years old850 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.4 Mi E Of Il 47 |
| Carries | Tr-73 (allendale R |
| Crosses | Nippersink CR |
| Coordinates | 42.39962, -88.43118 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 4 (Poor) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 95.8 ft (29.2 m) |
| Max Span | 33.1 ft (10.1 m) |
| Deck Width | 26.2 ft (8 m) |
| Deck Area | 233.6 sq m |
| Main Spans | 3 |
| Year Built | 1978 |
Traffic
| Avg Daily Traffic | 850 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056312600000000 |