William ST over Copper Slough
Fair Condition60 years old950 vehicles/day
Location
| State | Illinois |
| County | Champaign |
| Location | .25 Mi W Duncan RD |
| Carries | William ST |
| Crosses | Copper Slough |
| Coordinates | 40.10610, -88.29688 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 5 (Fair) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Channel Beam |
| Total Length | 72.8 ft (22.2 m) |
| Max Span | 23.3 ft (7.1 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 226.4 sq m |
| Main Spans | 3 |
| Year Built | 1966 (reconstructed 2004) |
Traffic
| Avg Daily Traffic | 950 (2021) |
| Truck Traffic | 6% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 010620400000000 |