Somonauk RD Fas 96 over I-88
Fair Condition52 years old2,750 vehicles/day
Location
| State | Illinois |
| County | DeKalb |
| Location | 1 Mi S Cortland |
| Carries | Somonauk RD Fas 96 |
| Crosses | I-88 |
| Coordinates | 41.90061, -88.68936 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Stringer/Multi-beam |
| Total Length | 222.1 ft (67.7 m) |
| Max Span | 78.1 ft (23.8 m) |
| Deck Width | 45.6 ft (13.9 m) |
| Deck Area | 941.0 sq m |
| Main Spans | 4 |
| Year Built | 1974 |
Traffic
| Avg Daily Traffic | 2,750 (2021) |
| Truck Traffic | 14% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 824 |
| Inspection Frequency | Every 24 months |
| Owner | State Toll Authority |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 019991600000000 |