3rd Avenue over Oligarchy Ditch
Fair Condition57 years old16,797 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | At Pace Street |
| Carries | 3rd Avenue |
| Crosses | Oligarchy Ditch |
| Coordinates | 40.16278, -105.07416 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 6 (Satisfactory) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 48.2 ft (14.7 m) |
| Max Span | 27.6 ft (8.4 m) |
| Deck Width | 352.0 ft (107.3 m) |
| Deck Area | 1577.3 sq m |
| Main Spans | 2 |
| Year Built | 1969 (reconstructed 1974) |
Traffic
| Avg Daily Traffic | 16,797 (2023) |
| Truck Traffic | 13% |
| Lanes On Bridge | 4 |
Inspection & Ownership
| Last Inspection | 125 |
| Inspection Frequency | Every 24 months |
| Owner | City/Municipal Highway Agency |
| Historical Significance | Bridge is not eligible for the National Register |
| Structure Number | LONG-3RD-PACEST |