Ill 40 over Johnson Creek
Fair Condition42 years old800 vehicles/day
Location
| State | Illinois |
| County | Carroll |
| Location | 1.5 Mi E Of Ill 78 |
| Carries | Ill 40 |
| Crosses | Johnson Creek |
| Coordinates | 42.07544, -89.94595 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 7 (Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Steel Continuous |
| Design | Stringer/Multi-beam |
| Total Length | 73.5 ft (22.4 m) |
| Max Span | 68.9 ft (21 m) |
| Deck Width | 35.1 ft (10.7 m) |
| Deck Area | 239.7 sq m |
| Main Spans | 1 |
| Year Built | 1984 (reconstructed 2019) |
Traffic
| Avg Daily Traffic | 800 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 008003300000000 |