Alden Road over Stream
Good Condition65 years old3,050 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.6 S Altenberg RD |
| Carries | Alden Road |
| Crosses | Stream |
| Coordinates | 42.42116, -88.51254 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 33.1 ft (10.1 m) |
| Max Span | 11.2 ft (3.4 m) |
| Deck Width | 40.0 ft (12.2 m) |
| Deck Area | 123.2 sq m |
| Main Spans | 3 |
| Year Built | 1961 |
Traffic
| Avg Daily Traffic | 3,050 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 924 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056320000000000 |