Knaup RD over Brown Creek
Good Condition20 years old25 vehicles/day
Location
| State | Illinois |
| County | Stephenson |
| Location | 1.5 M S Rock City |
| Carries | Knaup RD |
| Crosses | Brown Creek |
| Coordinates | 42.38924, -89.47196 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 25.9 ft (7.9 m) |
| Max Span | 12.5 ft (3.8 m) |
| Deck Area | 67.2 sq m |
| Main Spans | 2 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 25 (2014) |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | October 2024 |
| Inspection Frequency | Every 48 months |
| Owner | Town/Township Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 089512900000000 |