Ill 84 over Rock River
Fair Condition45 years old12,400 vehicles/day
Location
| State | Illinois |
| County | Henry |
| Location | At Rock Island Co LN |
| Carries | Ill 84 |
| Crosses | Rock River |
| Coordinates | 41.48368, -90.37423 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Box Beam - Single/Spread |
| Total Length | 983.9 ft (299.9 m) |
| Max Span | 175.9 ft (53.6 m) |
| Deck Width | 93.2 ft (28.4 m) |
| Deck Area | 8517.2 sq m |
| Main Spans | 6 |
| Year Built | 1981 |
Traffic
| Avg Daily Traffic | 12,400 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 037012800000000 |