Spring Drive over Davidson Ditch
Good Condition56 years old1,022 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 0.7 Mi S Of S. Boulder RD |
| Carries | Spring Drive |
| Crosses | Davidson Ditch |
| Coordinates | 39.97723, -105.17621 |
Condition Ratings
| Overall Condition | Good |
| Deck | 7 (Good) |
| Superstructure | 7 (Good) |
| Substructure | 8 (Very Good) |
| Channel/Waterway | 7 (Good) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Slab |
| Total Length | 24.9 ft (7.6 m) |
| Max Span | 22.6 ft (6.9 m) |
| Deck Width | 33.5 ft (10.2 m) |
| Deck Area | 77.5 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 1,022 (2023) |
| Truck Traffic | 9% |
| 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-O-OST-7C |