Mason Hill RD over Stream
Good Condition59 years old2,600 vehicles/day
Location
| State | Illinois |
| County | McHenry |
| Location | 0.6 Mi W Cryst Lk RD |
| Carries | Mason Hill RD |
| Crosses | Stream |
| Coordinates | 42.30608, -88.32899 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 6 (Satisfactory) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 22.0 ft (6.7 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 48.6 ft (14.8 m) |
| Deck Area | 99.2 sq m |
| Main Spans | 2 |
| Year Built | 1967 |
Traffic
| Avg Daily Traffic | 2,600 (2021) |
| Truck Traffic | 3% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 056320500000000 |