US 12 20 45 SB over Rr - Cn & Canals
Fair Condition46 years old64,200 vehicles/day
Location
| State | Illinois |
| County | Cook |
| Location | 0.9 M S I-55 |
| Carries | US 12 20 45 SB |
| Crosses | Rr - Cn & Canals |
| Coordinates | 41.75063, -87.85895 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 1341.9 ft (409 m) |
| Max Span | 290.0 ft (88.4 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 5398.8 sq m |
| Main Spans | 13 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 64,200 (2021) |
| Truck Traffic | 13% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 016240600000000 |