US Br 20 over Kishwaukee River
Fair Condition40 years old11,100 vehicles/day
Location
| State | Illinois |
| County | Boone |
| Location | E Edge Of Belvidere |
| Carries | US Br 20 |
| Crosses | Kishwaukee River |
| Coordinates | 42.26098, -88.82201 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 5 (Fair) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 362.9 ft (110.6 m) |
| Max Span | 97.8 ft (29.8 m) |
| Deck Width | 47.2 ft (14.4 m) |
| Deck Area | 1592.6 sq m |
| Main Spans | 4 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 11,100 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 523 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 004001300000000 |