Il 173 over N Br Nippersink CR
Good Condition94 years old5,100 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.5 M W Of US 12 |
| Carries | Il 173 |
| Crosses | N Br Nippersink CR |
| Coordinates | 42.47971, -88.31244 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 65.0 ft (19.8 m) |
| Max Span | 65.0 ft (19.8 m) |
| Deck Width | 38.1 ft (11.6 m) |
| Deck Area | 229.7 sq m |
| Main Spans | 1 |
| Year Built | 1932 (reconstructed 1998) |
Traffic
| Avg Daily Traffic | 5,100 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056003000000000 |