Ill 84 over Plum River
Fair Condition48 years old4,200 vehicles/day
Location
| State | Illinois |
| County | Carroll |
| Location | 1.0 Mi S Jct Ill 64 |
| Carries | Ill 84 |
| Crosses | Plum River |
| Coordinates | 42.07528, -90.12523 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 355.6 ft (108.4 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 45.9 ft (14 m) |
| Deck Area | 1517.6 sq m |
| Main Spans | 7 |
| Year Built | 1978 (reconstructed 2024) |
Traffic
| Avg Daily Traffic | 4,200 (2023) |
| Truck Traffic | 9% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 008002800000000 |