Il 108 over I-55
Fair Condition53 years old2,000 vehicles/day
Location
| State | Illinois |
| County | Montgomery |
| Location | Il 108/i-55 Interch. |
| Carries | Il 108 |
| Crosses | I-55 |
| Coordinates | 39.27808, -89.64223 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 262.1 ft (79.9 m) |
| Max Span | 98.8 ft (30.1 m) |
| Deck Width | 68.2 ft (20.8 m) |
| Deck Area | 1661.9 sq m |
| Main Spans | 2 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 2,000 (2023) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 068004300000000 |