Il 173 over Mill Creek
Good Condition23 years old15,600 vehicles/day
Location
| State | Illinois |
| County | Lake |
| Location | 0.3 M E Of US 45 |
| Carries | Il 173 |
| Crosses | Mill Creek |
| Coordinates | 42.46613, -88.00895 |
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 | 59.1 ft (18 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 234 sq m |
| Main Spans | 1 |
| Year Built | 2003 |
Traffic
| Avg Daily Traffic | 15,600 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 123 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 049019500000000 |