Windward Viadt Ob over Unnamed Stream
GoodHonolulu County, Hawaii · 6.6 MI N Halawa Ic · Structure no. 003000H30200661
- Built
- 1994
- 31 years old
- Condition
- Good
- inspected January 2024
- Type
- Segmental Box Girder
- Prestressed Concrete Continuous
- Length
- 6,616 ft
- 24 main spans
- Daily traffic
- 49,100
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Windward Viadt Ob over Unnamed Stream is a prestressed concrete continuous segmental box girder carrying Windward Viadt Ob over Unnamed Stream in Honolulu County, Hawaii. It was built in 1994, so it is 31 years old, younger than the Hawaii average of 63.8 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 49,100 vehicles a day, roughly 5% of them trucks, projected to reach 54,950 by 2027. The structure is 6,616 ft (2,016.5 m) long and 41 ft wide. If it were closed, the detour would be 9.9 mi (16 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 Windward Viadt Ob over Unnamed Stream built?
It was built in 1994, making it 31 years old in 2025.
What condition is Windward Viadt Ob over Unnamed Stream 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 2024.
How much traffic does Windward Viadt Ob over Unnamed Stream carry?
About 49,100 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is Windward Viadt Ob over Unnamed Stream?
The structure is 6,616 ft (2,016.5 m) long with a longest span of 300 ft (91.5 m) and a deck 41 ft wide.
Who owns Windward Viadt Ob over Unnamed Stream?
It is owned by the State Highway Agency.