County Line RD over I 90
Fair Condition12 years old250 vehicles/day
Location
| State | Illinois |
| County | Boone |
| Location | Mc Henry Co Line |
| Carries | County Line RD |
| Crosses | I 90 |
| Coordinates | 42.20481, -88.70557 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 7 (Good) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 249.0 ft (75.9 m) |
| Max Span | 125.0 ft (38.1 m) |
| Deck Width | 35.4 ft (10.8 m) |
| Deck Area | 819.7 sq m |
| Main Spans | 2 |
| Year Built | 2014 |
Traffic
| Avg Daily Traffic | 250 (2017) |
| Truck Traffic | 12% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Toll Authority |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 004992400000000 |