Il 4 (fap 662) over Sugar Creek
Good Condition24 years old6,000 vehicles/day
Location
| State | Illinois |
| County | Sangamon |
| Location | Thayer 3.3m S Il 104 |
| Carries | Il 4 (fap 662) |
| Crosses | Sugar Creek |
| Coordinates | 39.54075, -89.76528 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 114.8 ft (35 m) |
| Max Span | 112.2 ft (34.2 m) |
| Deck Width | 42.7 ft (13 m) |
| Deck Area | 455 sq m |
| Main Spans | 1 |
| Year Built | 2002 |
Traffic
| Avg Daily Traffic | 6,000 (2023) |
| Truck Traffic | 7% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | December 2024 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 084050800000000 |