Boston AVE over Spring Gulch
Fair Condition9 years old978 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 0.1 Mile E. Of Martin St. |
| Carries | Boston AVE |
| Crosses | Spring Gulch |
| Coordinates | 40.15783, -105.09403 |
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 | 24.9 ft (7.6 m) |
| Max Span | 7.9 ft (2.4 m) |
| Deck Width | 107.9 ft (32.9 m) |
| Deck Area | 250.0 sq m |
| Main Spans | 3 |
| Year Built | 2017 |
Traffic
| Avg Daily Traffic | 978 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 3 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | LONG-BOSTON-AVE |