Ms-4101 Dean Avenu over Ravine
Fair Condition98 years old900 vehicles/day
Location
| State | Illinois |
| County | Lake |
| Location | 1.5 N Co Line |
| Carries | Ms-4101 Dean Avenu |
| Crosses | Ravine |
| Coordinates | 42.17012, -87.77792 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Truss - Deck |
| Total Length | 195.9 ft (59.7 m) |
| Max Span | 89.9 ft (27.4 m) |
| Deck Width | 33.1 ft (10.1 m) |
| Deck Area | 603.0 sq m |
| Main Spans | 1 |
| Year Built | 1928 (reconstructed 1965) |
Traffic
| Avg Daily Traffic | 900 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 049657400000000 |