Ch 1 over Lake Creek
Good Condition47 years old600 vehicles/day
Location
| State | Illinois |
| County | Williamson |
| Location | .5 Mi SW Johnston Cy |
| Carries | Ch 1 |
| Crosses | Lake Creek |
| Coordinates | 37.81178, -88.94202 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 44.9 ft (13.7 m) |
| Max Span | 43.0 ft (13.1 m) |
| Deck Width | 30.5 ft (9.3 m) |
| Deck Area | 127.4 sq m |
| Main Spans | 1 |
| Year Built | 1979 |
Traffic
| Avg Daily Traffic | 600 (2021) |
| Truck Traffic | 16% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 323 |
| Inspection Frequency | Every 48 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 100310400000000 |