County Road 3 over Big Thompson River
Fair Condition43 years old1,943 vehicles/day
Location
| State | Colorado |
| County | Larimer |
| Location | 1.2 Mi N Of Co RD 18 |
| Carries | County Road 3 |
| Crosses | Big Thompson River |
| Coordinates | 40.39428, -104.96456 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 7 (Good) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Tee Beam |
| Total Length | 62.0 ft (18.9 m) |
| Max Span | 59.1 ft (18 m) |
| Deck Width | 24.9 ft (7.6 m) |
| Deck Area | 143.6 sq m |
| Main Spans | 1 |
| Year Built | 1983 |
Traffic
| Avg Daily Traffic | 1,943 (2023) |
| Truck Traffic | 26% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 623 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | LR3-1.2-18 |