I-88 over Drainage Ditch
Fair Condition50 years old13,500 vehicles/day
Location
| State | Illinois |
| County | Rock Island |
| Location | 2.5 M. Sw. Hillsdale |
| Carries | I-88 |
| Crosses | Drainage Ditch |
| Coordinates | 41.58190, -90.20862 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 4 (Poor) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 30.5 ft (9.3 m) |
| Max Span | 14.8 ft (4.5 m) |
| Deck Area | 238.1 sq m |
| Main Spans | 2 |
| Year Built | 1976 |
Traffic
| Avg Daily Traffic | 13,500 (2023) |
| Truck Traffic | 29% |
| 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 | 081200800000000 |