Roger Williams over Ravine
Fair Condition111 years old3,750 vehicles/day
Location
| State | Illinois |
| County | Lake |
| Location | 0.2m E Lk Michigan |
| Carries | Roger Williams |
| Crosses | Ravine |
| Coordinates | 42.16548, -87.78612 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Tee Beam |
| Total Length | 208.0 ft (63.4 m) |
| Max Span | 64.0 ft (19.5 m) |
| Deck Width | 28.9 ft (8.8 m) |
| Deck Area | 557.9 sq m |
| Main Spans | 3 |
| Year Built | 1915 (reconstructed 1982) |
Traffic
| Avg Daily Traffic | 3,750 (2023) |
| Truck Traffic | 5% |
| 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 | 049658200000000 |