SH 9 Ml over Blue River
Fair Condition44 years old20,000 vehicles/day
Location
| State | Colorado |
| County | Summit |
| Location | In Silverthorne |
| Carries | SH 9 Ml |
| Crosses | Blue River |
| Coordinates | 39.62936, -106.07146 |
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 | 68.9 ft (21 m) |
| Max Span | 14.1 ft (4.3 m) |
| Deck Width | 138.1 ft (42.1 m) |
| Deck Area | 884.1 sq m |
| Main Spans | 5 |
| Year Built | 1982 |
Traffic
| Avg Daily Traffic | 20,000 (2020) |
| Truck Traffic | 6% |
| Lanes On Bridge | 5 |
Inspection & Ownership
| Last Inspection | 823 |
| Inspection Frequency | Every 24 months |
| Owner | State Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | F-12-BP |