Airport Road over St. Vrain River Overflow
Fair Condition20 years old13,131 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 0.2 Mi N Of ST Vrain RD |
| Carries | Airport Road |
| Crosses | St. Vrain River Overflow |
| Coordinates | 40.17008, -105.15464 |
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 | 43.6 ft (13.3 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Width | 92.2 ft (28.1 m) |
| Deck Area | 373.7 sq m |
| Main Spans | 3 |
| Year Built | 2006 |
Traffic
| Avg Daily Traffic | 13,131 (2023) |
| Truck Traffic | 3% |
| Lanes On Bridge | 5 |
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-AIRRD-SVRD |