Flagstaff RD Cr56 over Hillside Slide
Good Condition30 years old2,463 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 1.0 Mi W Of Baseline RD |
| Carries | Flagstaff RD Cr56 |
| Crosses | Hillside Slide |
| Coordinates | 40.00294, -105.29233 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 9 (Excellent) |
| Scour Critical | Not applicable |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 169.9 ft (51.8 m) |
| Max Span | 29.9 ft (9.1 m) |
| Deck Width | 22.6 ft (6.9 m) |
| Deck Area | 357.4 sq m |
| Main Spans | 6 |
| Year Built | 1996 |
Traffic
| Avg Daily Traffic | 2,463 (2023) |
| Truck Traffic | 2% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | BC-56-00.9-SS |