I-90 Rampbuchanan over Grand Calumet River
Poor Condition70 years old
Location
| State | Indiana |
| County | Lake |
| Location | 01.95 E US 12 |
| Carries | I-90 Rampbuchanan |
| Crosses | Grand Calumet River |
| Coordinates | 41.60709, -87.35335 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 6 (Satisfactory) |
| Superstructure | 4 (Poor) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 182.7 ft (55.7 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 20.3 ft (6.2 m) |
| Deck Area | 345.3 sq m |
| Main Spans | 3 |
| Year Built | 1956 (reconstructed 1986) |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Toll Authority |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 046430 |