ST Clair AVE EB over Harding Ditch
Fair Condition67 years old5,900 vehicles/day
Location
| State | Illinois |
| County | St. Clair |
| Location | 1.5 M W Ill 157 |
| Carries | ST Clair AVE EB |
| Crosses | Harding Ditch |
| Coordinates | 38.60769, -90.07818 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 51.8 ft (15.8 m) |
| Max Span | 48.9 ft (14.9 m) |
| Deck Width | 36.1 ft (11 m) |
| Deck Area | 173.8 sq m |
| Main Spans | 1 |
| Year Built | 1959 (reconstructed 1994) |
Traffic
| Avg Daily Traffic | 5,900 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 082003300000000 |