US 41 over Des Plaines River
Fair Condition90 years old21,100 vehicles/day
Location
| State | Illinois |
| County | Lake |
| Location | 0.7 M S Of Il 21 |
| Carries | US 41 |
| Crosses | Des Plaines River |
| Coordinates | 42.38008, -87.91649 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 151.9 ft (46.3 m) |
| Max Span | 55.1 ft (16.8 m) |
| Deck Width | 83.0 ft (25.3 m) |
| Deck Area | 1171.4 sq m |
| Main Spans | 3 |
| Year Built | 1936 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 21,100 (2023) |
| Truck Traffic | 12% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 049002900000000 |