Margaret(thorn-lan over Thorn Creek
Fair Condition57 years old10,250 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 1.5 M W Il 394 |
| Carries | Margaret(thorn-lan |
| Crosses | Thorn Creek |
| Coordinates | 41.56821, -87.60821 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 108.6 ft (33.1 m) |
| Max Span | 51.8 ft (15.8 m) |
| Deck Width | 60.0 ft (18.3 m) |
| Deck Area | 605.7 sq m |
| Main Spans | 2 |
| Year Built | 1969 |
Traffic
| Avg Daily Traffic | 10,250 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016057300000000 |