Ill 163 over Harding Ditch
Fair Condition51 years old3,350 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 50 Ft E Ill 157 |
| Carries | Ill 163 |
| Crosses | Harding Ditch |
| Coordinates | 38.55616, -90.11018 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 127.3 ft (38.8 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 395.8 sq m |
| Main Spans | 3 |
| Year Built | 1975 (reconstructed 2006) |
Traffic
| Avg Daily Traffic | 3,350 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082021300000000 |