Rock Canyon Road over Big Thompson River
Fair Condition49 years old17 vehicles/day
Location
| State | Colorado |
| County | Larimer |
| Location | 10 Ft W Of US HWY 34 |
| Carries | Rock Canyon Road |
| Crosses | Big Thompson River |
| Coordinates | 40.38351, -105.47029 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 6 (Satisfactory) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 49.2 ft (15 m) |
| Max Span | 48.6 ft (14.8 m) |
| Deck Width | 12.1 ft (3.7 m) |
| Deck Area | 55.5 sq m |
| Main Spans | 1 |
| Year Built | 1977 |
Traffic
| Avg Daily Traffic | 17 (2023) |
| Truck Traffic | 6% |
| Lanes On Bridge | 1 |
Inspection & Ownership
| Last Inspection | 723 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | LRROCKCANYON1 |