SH 52 Ml over White Rock Boulder Ditch
Fair Condition61 years old8,900 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | Niwot At 79th ST Int |
| Carries | SH 52 Ml |
| Crosses | White Rock Boulder Ditch |
| Coordinates | 40.08694, -105.16924 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 25.6 ft (7.8 m) |
| Max Span | 25.6 ft (7.8 m) |
| Deck Width | 107.6 ft (32.8 m) |
| Deck Area | 255.8 sq m |
| Main Spans | 1 |
| Year Built | 1965 |
Traffic
| Avg Daily Traffic | 8,900 (2020) |
| Truck Traffic | 3% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 923 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | D-16-Y |