Twin Lakes Road over Bldr And Whiterock Ditch
Fair Condition51 years old1,018 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 0.2 Mi E Of 63rd Street |
| Carries | Twin Lakes Road |
| Crosses | Bldr And Whiterock Ditch |
| Coordinates | 40.05731, -105.20251 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 8 (Very Good) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 20.7 ft (6.3 m) |
| Max Span | 9.8 ft (3 m) |
| Deck Width | 51.8 ft (15.8 m) |
| Deck Area | 99.5 sq m |
| Main Spans | 2 |
| Year Built | 1975 |
Traffic
| Avg Daily Traffic | 1,018 (2023) |
| Truck Traffic | 4% |
| 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-O-OSO-8A |