E 5th Avenue over Oligarchy Ditch
Fair Condition56 years old1,321 vehicles/day
Location
| State | Colorado |
| County | Boulder |
| Location | 0.1 Mi East Of Fox ST |
| Carries | E 5th Avenue |
| Crosses | Oligarchy Ditch |
| Coordinates | 40.16700, -105.07791 |
Condition Ratings
| Overall Condition | Fair |
| Channel/Waterway | 7 (Good) |
| Culvert | 5 (Fair) |
| Scour Critical | 8 — Stable, low risk |
Physical Characteristics
| Material | Concrete |
| Design | Culvert |
| Total Length | 21.7 ft (6.6 m) |
| Max Span | 21.7 ft (6.6 m) |
| Deck Width | 57.4 ft (17.5 m) |
| Deck Area | 115.5 sq m |
| Main Spans | 1 |
| Year Built | 1970 |
Traffic
| Avg Daily Traffic | 1,321 (2023) |
| Truck Traffic | 10% |
| Lanes On Bridge | 2 |
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-E5TH-FOX |