County Road 81 over Lefthand Creek
Good Condition7 years old735 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 250 Ft N Of Lee Hill DR |
| Carries | County Road 81 |
| Crosses | Lefthand Creek |
| Coordinates | 40.09336, -105.35117 |
Condition Ratings
| Overall Condition | Good |
| Deck | 8 (Very Good) |
| Superstructure | 8 (Very Good) |
| Substructure | 7 (Good) |
| Channel/Waterway | 8 (Very Good) |
| Scour Critical | 5 — Stable for scour |
Physical Characteristics
| Material | Prestressed Concrete |
| Design | Box Beam - Multiple |
| Total Length | 59.7 ft (18.2 m) |
| Max Span | 53.5 ft (16.3 m) |
| Deck Width | 29.9 ft (9.1 m) |
| Deck Area | 165.6 sq m |
| Main Spans | 1 |
| Year Built | 2019 |
Traffic
| Avg Daily Traffic | 735 (2023) |
| Truck Traffic | 8% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 225 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | BC-81-6.2-LT |