Il 173 over Piscasaw Creek
Good Condition19 years old4,550 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 2 M E Of Cnty Line |
| Carries | Il 173 |
| Crosses | Piscasaw Creek |
| Coordinates | 42.41577, -88.67176 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 207.0 ft (63.1 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 832.9 sq m |
| Main Spans | 3 |
| Year Built | 2007 |
Traffic
| Avg Daily Traffic | 4,550 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 722 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056009000000000 |