Commonwealth Avenu over Flagg Creek
Fair Condition36 years old425 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.4mi S Of 47th ST |
| Carries | Commonwealth Avenu |
| Crosses | Flagg Creek |
| Coordinates | 41.80238, -87.90818 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 99.1 ft (30.2 m) |
| Max Span | 36.1 ft (11 m) |
| Deck Width | 39.0 ft (11.9 m) |
| Deck Area | 359.4 sq m |
| Main Spans | 3 |
| Year Built | 1990 |
Traffic
| Avg Daily Traffic | 425 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | November 2023 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016680400000000 |