I-55 SB over Salt Creek
Fair Condition53 years old13,750 vehicles/day
Location
| State | Illinois |
| County | Logan |
| Location | 2.1m S Il10 |
| Carries | I-55 SB |
| Crosses | Salt Creek |
| Coordinates | 40.12752, -89.41665 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 674.5 ft (205.6 m) |
| Max Span | 149.9 ft (45.7 m) |
| Deck Width | 58.1 ft (17.7 m) |
| Deck Area | 3639.1 sq m |
| Main Spans | 7 |
| Year Built | 1973 |
Traffic
| Avg Daily Traffic | 13,750 (2023) |
| Truck Traffic | 32% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 054004100000000 |