Ch 15 over Walnut Creek
Fair Condition38 years old275 vehicles/day
Location
| State | Illinois |
| County | Knox |
| Location | Nw-31-t13nr4e |
| Carries | Ch 15 |
| Crosses | Walnut Creek |
| Coordinates | 41.07432, -90.09741 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 141.4 ft (43.1 m) |
| Max Span | 60.0 ft (18.3 m) |
| Deck Width | 27.9 ft (8.5 m) |
| Deck Area | 366.4 sq m |
| Main Spans | 3 |
| Year Built | 1988 |
Traffic
| Avg Daily Traffic | 275 (2022) |
| Truck Traffic | 25% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 048330500000000 |