Kal HWY over Niu Strm
PoorHonolulu County, Hawaii · 0.11MI W/Niuiki Circle · Structure no. 003000720401418
- Built
- 1934
- 91 years old, rebuilt 1964
- Condition
- Poor
- inspected July 2023
- Type
- Slab
- Concrete Continuous
- Length
- 80 ft
- 3 main spans
- Daily traffic
- 58,500
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Kal HWY over Niu Strm is a concrete continuous slab carrying Kal HWY over Niu Strm in Honolulu County, Hawaii. It was built in 1934 and reconstructed in 1964, so it is 91 years old, older than the Hawaii average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
It carries about 58,500 vehicles a day, roughly 5% of them trucks, projected to reach 81,678 by 2025. The structure is 80 ft (24.4 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Kal HWY over Niu Strm built?
It was built in 1934, making it 91 years old in 2025. It was reconstructed in 1964.
What condition is Kal HWY over Niu Strm in?
The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.
How much traffic does Kal HWY over Niu Strm carry?
About 58,500 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is Kal HWY over Niu Strm?
The structure is 80 ft (24.4 m) long with a longest span of 25 ft (7.6 m) and a deck 70 ft wide.
Who owns Kal HWY over Niu Strm?
It is owned by the State Highway Agency.