US 6 (159th St) over Little Cal River
Fair Condition95 years old21,100 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.1 M E I-94 Bf |
| Carries | US 6 (159th St) |
| Crosses | Little Cal River |
| Coordinates | 41.60090, -87.57797 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 162.7 ft (49.6 m) |
| Max Span | 54.8 ft (16.7 m) |
| Deck Width | 80.1 ft (24.4 m) |
| Deck Area | 1210.2 sq m |
| Main Spans | 3 |
| Year Built | 1931 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 21,100 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016038900000000 |