I-39 & US 51 SB over Kilbuck Creek
Fair Condition45 years old16,100 vehicles/day
Location
| State | Illinois |
| County | Ogle |
| Location | 3 Mi N Of Ill 64 |
| Carries | I-39 & US 51 SB |
| Crosses | Kilbuck Creek |
| Coordinates | 42.04985, -89.01976 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 433.1 ft (132 m) |
| Max Span | 70.9 ft (21.6 m) |
| Deck Width | 42.0 ft (12.8 m) |
| Deck Area | 1689.6 sq m |
| Main Spans | 7 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 16,100 (2023) |
| Truck Traffic | 32% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 071005200000000 |