County Road 1 over New Ish Ditch
Fair Condition46 years old260 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 3.4 Mi N Of ST HWY 66 |
| Carries | County Road 1 |
| Crosses | New Ish Ditch |
| Coordinates | 40.25323, -105.05516 |
Condition Ratings
| Overall Condition | Fair |
| Deck | 5 (Fair) |
| Superstructure | 6 (Satisfactory) |
| Substructure | 6 (Satisfactory) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Steel |
| Design | Stringer/Multi-beam |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 22.6 ft (6.9 m) |
| Deck Width | 32.2 ft (9.8 m) |
| Deck Area | 74.5 sq m |
| Main Spans | 1 |
| Year Built | 1980 |
Traffic
| Avg Daily Traffic | 260 (2023) |
| Truck Traffic | 18% |
| Lanes On Bridge | 2 |
Inspection & Ownership
| Last Inspection | 324 |
| Inspection Frequency | Every 24 months |
| Owner | County Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | WEL001.0-036.0A |