Il 21 over I- 94 Tri State Toll
Fair Condition68 years old13,300 vehicles/day
Location
| State | Illinois |
| County | Lake |
| Location | 1.2 M S Of Il 132 |
| Carries | Il 21 |
| Crosses | I- 94 Tri State Toll |
| Coordinates | 42.35798, -87.93478 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 254.6 ft (77.6 m) |
| Max Span | 73.8 ft (22.5 m) |
| Deck Width | 81.0 ft (24.7 m) |
| Deck Area | 1916.7 sq m |
| Main Spans | 4 |
| Year Built | 1958 (reconstructed 2003) |
Traffic
| Avg Daily Traffic | 13,300 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 6 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 049990100000000 |