Kam HWY over Waiahole Strm(county)
PoorHonolulu County, Hawaii · 0.04MI S/Waiahole Vlly RD · Structure no. 003000830303459
- Built
- 1922
- 103 years old
- Condition
- Poor
- inspected June 2024
- Type
- Tee Beam
- Concrete Continuous
- Length
- 66 ft
- 2 main spans
- Daily traffic
- 16,500
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Kam HWY over Waiahole Strm(county) is a concrete continuous tee beam carrying Kam HWY over Waiahole Strm(county) in Honolulu County, Hawaii. It was built in 1922, so it is 103 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 16,500 vehicles a day, roughly 5% of them trucks, projected to reach 19,760 by 2025. The structure is 66 ft (20.1 m) long and 26 ft wide. If it were closed, the detour would be 62.8 mi (101 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 | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Superstructure | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Substructure | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
| Channel and channel protection | 4 Poor | Advanced section loss, deterioration, spalling or scour. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Kam HWY over Waiahole Strm(county) built?
It was built in 1922, making it 103 years old in 2025.
What condition is Kam HWY over Waiahole Strm(county) 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 June 2024.
How much traffic does Kam HWY over Waiahole Strm(county) carry?
About 16,500 vehicles per day (2017 count), of which roughly 5% are trucks.
How long is Kam HWY over Waiahole Strm(county)?
The structure is 66 ft (20.1 m) long with a longest span of 28 ft (8.5 m) and a deck 26 ft wide.
Who owns Kam HWY over Waiahole Strm(county)?
It is owned by the State Highway Agency.