31st ST over Kilbourn AVE
Good Condition69 years old9,350 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.5 M E Il 50 |
| Carries | 31st ST |
| Crosses | Kilbourn AVE |
| Coordinates | 41.83676, -87.73690 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 175.9 ft (53.6 m) |
| Max Span | 66.6 ft (20.3 m) |
| Deck Width | 47.6 ft (14.5 m) |
| Deck Area | 777.2 sq m |
| Main Spans | 3 |
| Year Built | 1957 (reconstructed 2009) |
Traffic
| Avg Daily Traffic | 9,350 (2023) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 48 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016087200000000 |