I 64 over Harper Creek
Fair Condition52 years old28,300 vehicles/day
Location
| State | Illinois |
| County | Jefferson |
| Location | 3.3 Mi E Woodlan Int |
| Carries | I 64 |
| Crosses | Harper Creek |
| Coordinates | 38.34573, -88.97700 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 37.1 ft (11.3 m) |
| Max Span | 12.1 ft (3.7 m) |
| Deck Area | 275.7 sq m |
| Main Spans | 3 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 28,300 (2023) |
| Truck Traffic | 30% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 124 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 041200400000000 |