Chicago Heights RD over Thorn Creek
Poor Condition44 years old6,550 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 1.5 Miles NE Of Il-1 |
| Carries | Chicago Heights RD |
| Crosses | Thorn Creek |
| Coordinates | 41.54755, -87.62537 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 88.6 ft (27 m) |
| Max Span | 43.6 ft (13.3 m) |
| Deck Width | 61.0 ft (18.6 m) |
| Deck Area | 502.2 sq m |
| Main Spans | 2 |
| Year Built | 1982 (reconstructed 2020) |
Traffic
| Avg Daily Traffic | 6,550 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 224 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016241700000000 |