70th Place over Flag Creek
Good Condition63 years old150 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 1.5 M W US 45 |
| Carries | 70th Place |
| Crosses | Flag Creek |
| Coordinates | 41.76110, -87.89701 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 88.3 ft (26.9 m) |
| Max Span | 83.0 ft (25.3 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 263.6 sq m |
| Main Spans | 1 |
| Year Built | 1963 |
Traffic
| Avg Daily Traffic | 150 (2022) |
| Truck Traffic | 35% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016106300000000 |