Ill 177 over Plum Creek
Fair Condition90 years old3,150 vehicles/day
Location
| State | Illinois |
| County | Washington |
| Location | 1 Mi W Of I-64 |
| Carries | Ill 177 |
| Crosses | Plum Creek |
| Coordinates | 38.43595, -89.54684 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 117.1 ft (35.7 m) |
| Max Span | 39.0 ft (11.9 m) |
| Deck Width | 36.7 ft (11.2 m) |
| Deck Area | 399.8 sq m |
| Main Spans | 3 |
| Year Built | 1936 (reconstructed 1981) |
Traffic
| Avg Daily Traffic | 3,150 (2023) |
| Truck Traffic | 11% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 724 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 095001600000000 |