Alpine Road over US 20 By-pass
Fair Condition42 years old21,400 vehicles/day
Location
| State | Illinois |
| County | Winnebago |
| Location | South Edge Rockford |
| Carries | Alpine Road |
| Crosses | US 20 By-pass |
| Coordinates | 42.22006, -89.02876 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Prestressed Concrete Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 212.6 ft (64.8 m) |
| Max Span | 81.7 ft (24.9 m) |
| Deck Width | 88.9 ft (27.1 m) |
| Deck Area | 1756.1 sq m |
| Main Spans | 2 |
| Year Built | 1984 |
Traffic
| Avg Daily Traffic | 21,400 (2022) |
| Truck Traffic | 10% |
| Lanes On Bridge | 4 |
| Lanes Under Bridge | 4 |
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 | 101015100000000 |