30th Street over Boulder Lefthand Ditch
Good Condition15 years old20,225 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 400 Ft So Of Pearl ST |
| Carries | 30th Street |
| Crosses | Boulder Lefthand Ditch |
| Coordinates | 40.02215, -105.25353 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete Continuous |
| Design | Slab |
| Total Length | 67.9 ft (20.7 m) |
| Max Span | 23.3 ft (7.1 m) |
| Deck Width | 86.9 ft (26.5 m) |
| Deck Area | 548.5 sq m |
| Main Spans | 3 |
| Year Built | 2011 |
Traffic
| Avg Daily Traffic | 20,225 (2023) |
| Truck Traffic | 4% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | BOLD-07-1.49-3A |