Imiloa RD over Drainage Canal
GoodKauai County, Hawaii · Pacific Missile Range Fac · Structure no. 1HI1464
- Built
- 1967
- 58 years old
- Condition
- Good
- inspected June 2024
- Type
- Culvert
- Concrete
- Length
- 27 ft
- 2 main spans
- Daily traffic
- 100
- 2017 count
- Owner
- Federal
- Navy / Marines
About this bridge
Imiloa RD over Drainage Canal is a concrete culvert carrying Imiloa RD over Drainage Canal in Kauai County, Hawaii. It was built in 1967, so it is 58 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 100 vehicles a day, roughly 25% of them trucks, projected to reach 100 by 2043. The structure is 27 ft (8.1 m) long and 32 ft wide. If it were closed, the detour would be 0.6 mi (1 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 |
|---|---|---|
| Channel and channel protection | 7 Good | Some minor problems. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Imiloa RD over Drainage Canal built?
It was built in 1967, making it 58 years old in 2025.
What condition is Imiloa RD over Drainage Canal 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 June 2024.
How much traffic does Imiloa RD over Drainage Canal carry?
About 100 vehicles per day (2017 count), of which roughly 25% are trucks.
How long is Imiloa RD over Drainage Canal?
The structure is 27 ft (8.1 m) long with a longest span of 13 ft (4.1 m) and a deck 32 ft wide.
Who owns Imiloa RD over Drainage Canal?
It is owned by the Navy / Marines.