US 20 over Coon Creek
Fair Condition30 years old8,550 vehicles/day
Location
| State | Illinois |
| County | Boone |
| Location | 2 Mi. E. Belvidere |
| Carries | US 20 |
| Crosses | Coon Creek |
| Coordinates | 42.24686, -88.78139 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 209.0 ft (63.7 m) |
| Max Span | 76.1 ft (23.2 m) |
| Deck Width | 43.3 ft (13.2 m) |
| Deck Area | 840.8 sq m |
| Main Spans | 3 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 8,550 (2023) |
| Truck Traffic | 15% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 004001700000000 |