Quinsippi Island R over Quincy Bay
Fair Condition13 years old200 vehicles/day
Location
| State | Illinois |
| County | Adams |
| Location | SE Sec34 T15 R9w |
| Carries | Quinsippi Island R |
| Crosses | Quincy Bay |
| Coordinates | 39.94714, -91.41810 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 5 (Fair) |
| Scour Critical | 7 — Countermeasures installed |
Physical Characteristics
| Material | Steel |
| Design | Girder and Floorbeam |
| Total Length | 610.6 ft (186.1 m) |
| Max Span | 95.1 ft (29 m) |
| Deck Width | 19.7 ft (6 m) |
| Deck Area | 1116.6 sq m |
| Main Spans | 6 |
| Year Built | 2013 |
Traffic
| Avg Daily Traffic | 200 (2024) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 001601300000000 |