Kaumualii HWY over Drainage Canal No 1
GoodKauai County, Hawaii · 1.00MI Se/Lio RD · Structure no. 007000500300135
- Built
- 1957
- 68 years old
- Condition
- Good
- inspected February 2023
- Type
- Slab
- Concrete Continuous
- Length
- 41 ft
- 2 main spans
- Daily traffic
- 530
- 2017 count
- Owner
- State
- State Highway Agency
About this bridge
Kaumualii HWY over Drainage Canal No 1 is a concrete continuous slab carrying Kaumualii HWY over Drainage Canal No 1 in Kauai County, Hawaii. It was built in 1957, so it is 68 years old, older 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 530 vehicles a day, roughly 4% of them trucks, projected to reach 2,674 by 2025. The structure is 41 ft (12.6 m) long and 43 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 | 6 Satisfactory | Structural elements show some minor deterioration. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Kaumualii HWY over Drainage Canal No 1 built?
It was built in 1957, making it 68 years old in 2025.
What condition is Kaumualii HWY over Drainage Canal No 1 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 February 2023.
How much traffic does Kaumualii HWY over Drainage Canal No 1 carry?
About 530 vehicles per day (2017 count), of which roughly 4% are trucks.
How long is Kaumualii HWY over Drainage Canal No 1?
The structure is 41 ft (12.6 m) long with a longest span of 19 ft (5.8 m) and a deck 43 ft wide.
Who owns Kaumualii HWY over Drainage Canal No 1?
It is owned by the State Highway Agency.