Kam HWY over Unmd Strm(n Waiahole)
FairHonolulu County, Hawaii · 0.59MI N/Waiahole Vlly RD · Structure no. 003000830303396
- Built
- 1928
- 97 years old
- Condition
- Fair
- inspected June 2024
- Type
- Slab
- Concrete Continuous
- Length
- 54 ft
- 3 main spans
- Daily traffic
- 12,800
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Kam HWY over Unmd Strm(n Waiahole) is a concrete continuous slab carrying Kam HWY over Unmd Strm(n Waiahole) in Honolulu County, Hawaii. It was built in 1928, so it is 97 years old, older than the Hawaii average of 63.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 12,800 vehicles a day, roughly 6% of them trucks, projected to reach 13,509 by 2025. The structure is 54 ft (16.5 m) long and 27 ft wide.
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| 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 Kam HWY over Unmd Strm(n Waiahole) built?
It was built in 1928, making it 97 years old in 2025.
What condition is Kam HWY over Unmd Strm(n Waiahole) in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.
How much traffic does Kam HWY over Unmd Strm(n Waiahole) carry?
About 12,800 vehicles per day (2017 count), of which roughly 6% are trucks.
How long is Kam HWY over Unmd Strm(n Waiahole)?
The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.5 m) and a deck 27 ft wide.
Who owns Kam HWY over Unmd Strm(n Waiahole)?
It is owned by the State Highway Agency.