Algonquin RD over Spring CR
Poor Condition40 years old3,200 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.1 Mi SW Plum Tree |
| Carries | Algonquin RD |
| Crosses | Spring CR |
| Coordinates | 42.18768, -88.22911 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 3 (Serious) |
| Superstructure | 3 (Serious) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 53.1 ft (16.2 m) |
| Max Span | 51.8 ft (15.8 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 158.8 sq m |
| Main Spans | 1 |
| Year Built | 1986 |
Traffic
| Avg Daily Traffic | 3,200 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056314800000000 |