Ch-43 Millstream R over S Br Kishwaukee Rvr
Poor Condition62 years old1,700 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.4 Mi N Ill 176 |
| Carries | Ch-43 Millstream R |
| Crosses | S Br Kishwaukee Rvr |
| Coordinates | 42.26163, -88.55982 |
Condition Ratings
| Overall Condition | Poor |
| Deck | 4 (Poor) |
| Superstructure | 4 (Poor) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 158.1 ft (48.2 m) |
| Max Span | 50.9 ft (15.5 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 472.4 sq m |
| Main Spans | 3 |
| Year Built | 1964 |
Traffic
| Avg Daily Traffic | 1,700 (2021) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2022 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056302300000000 |