Kolb Road over Rose Hill Wash
Good Condition46 years old11,412 vehicles/day
Location
| State | Arizona |
| County | Pima |
| Location | Kolb RD At Timrod |
| Carries | Kolb Road |
| Crosses | Rose Hill Wash |
| Coordinates | 32.21590, -110.84090 |
Condition Ratings
| Overall Condition | Good |
| Channel/Waterway | 7 (Good) |
| Culvert | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Culvert |
| Total Length | 20.0 ft (6.1 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Area | 262.3 sq m |
| Main Spans | 2 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 11,412 (2022) |
| Truck Traffic | 4% |
| Lanes On Bridge | 6 |
Inspection & Ownership
| Last Inspection | December 2023 |
| Inspection Frequency | Every 48 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | 07541 |