Boston AVE (cr 18) over St. Vrain Creek
Good Condition2 years old9,636 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 0.1 Mi E Of Co RD 15 |
| Carries | Boston AVE (cr 18) |
| Crosses | St. Vrain Creek |
| Coordinates | 40.15871, -105.11725 |
Condition Ratings
| Overall Condition | Good |
| Deck | 9 (Excellent) |
| Superstructure | 8 (Very Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 225.1 ft (68.6 m) |
| Max Span | 69.9 ft (21.3 m) |
| Deck Width | 67.9 ft (20.7 m) |
| Deck Area | 1420.0 sq m |
| Main Spans | 3 |
| Year Built | 2024 |
Traffic
| Avg Daily Traffic | 9,636 (2023) |
| Truck Traffic | 12% |
| 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-BOS-SVR |