County Highway 4 over Big Sister
Fair Condition67 years old75 vehicles/day
Location
| State | Illinois |
| County | Fulton |
| Location | Sw-5-t5nr4e |
| Carries | County Highway 4 |
| Crosses | Big Sister |
| Coordinates | 40.43807, -90.08422 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 4 (Poor) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 27.2 ft (8.3 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 75.5 sq m |
| Main Spans | 2 |
| Year Built | 1959 |
Traffic
| Avg Daily Traffic | 75 (2020) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2023 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 029500900000000 |