US 12 45 Mannheim over Il 64 (north Ave)
Fair Condition95 years old38,900 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.7 M N US 20 |
| Carries | US 12 45 Mannheim |
| Crosses | Il 64 (north Ave) |
| Coordinates | 41.90666, -87.88378 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 106.6 ft (32.5 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 102.0 ft (31.1 m) |
| Deck Area | 1010.8 sq m |
| Main Spans | 2 |
| Year Built | 1931 (reconstructed 1975) |
Traffic
| Avg Daily Traffic | 38,900 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 6 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016033600000000 |