Harvard Street over Oligarchy Ditch
GoodBoulder County, Colorado · 50 Ft S of N Shore Drive · Structure no. LONG-HARD-NSHOR
- Built
- 1998
- 27 years old
- Condition
- Good
- inspected January 2025
- Type
- Frame
- Concrete
- Length
- 26 ft
- 1 main span
- Daily traffic
- 2,509
- 2023 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
Harvard Street over Oligarchy Ditch is a concrete frame carrying Harvard Street over Oligarchy Ditch in Boulder County, Colorado. It was built in 1998, so it is 27 years old, younger than the Colorado average of 42.2 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 2,509 vehicles a day, roughly 3% of them trucks, projected to reach 3,010 by 2043. The structure is 26 ft (7.9 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Harvard Street over Oligarchy Ditch built?
It was built in 1998, making it 27 years old in 2025.
What condition is Harvard Street over Oligarchy Ditch in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.
How much traffic does Harvard Street over Oligarchy Ditch carry?
About 2,509 vehicles per day (2023 count), of which roughly 3% are trucks.
How long is Harvard Street over Oligarchy Ditch?
The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 45 ft wide.
Who owns Harvard Street over Oligarchy Ditch?
It is owned by the City or Municipal Highway Agency.