Tr 105 over I-39/US 51
Fair Condition49 years old225 vehicles/day
Location
| State | Illinois |
| County | LaSalle |
| Location | 1 Mi S Of US 34 |
| Carries | Tr 105 |
| Crosses | I-39/US 51 |
| Coordinates | 41.53926, -89.05957 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Box Beam - Single/Spread |
| Total Length | 256.9 ft (78.3 m) |
| Max Span | 105.0 ft (32 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 712.5 sq m |
| Main Spans | 2 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 225 (2020) |
| Truck Traffic | 5% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 4 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 050016600000000 |