Tr 17 over I-55
Poor Condition56 years old50 vehicles/day
Location
| State | Illinois |
| County | Montgomery |
| Location | 3.05m S Sangamon Co. |
| Carries | Tr 17 |
| Crosses | I-55 |
| Coordinates | 39.47987, -89.64557 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 3 (Serious) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 338.9 ft (103.3 m) |
| Max Span | 108.9 ft (33.2 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 940.0 sq m |
| Main Spans | 3 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 50 (2020) |
| Truck Traffic | 60% |
| Lanes On Bridge | 2 |
| Lanes Under Bridge | 8 |
Inspection & Ownership
| Last Inspection | 524 |
| Inspection Frequency | Every 12 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 068003600000000 |